Rearrange the following sentences to form a coherent paragraph: 1. This is especially useful in software development, where multiple programmers can work on the same codebase simultaneously without conflict. 2. Version control is a system that records changes to a file or set of files over time so that you can recall specific versions later. 3. The process involves a specific set of tools and commands that allow for the manipulation and tracking of changes. 4. By using version control, a project can maintain a complete history of its development, allowing for easy rollback and collaboration.

Correct — A. Find the sentence that can stand first, then place each reference word after what it points to.

2 opens: it defines version control in full.
4 names what using it gives a project: a complete history, easy rollback, collaboration.
3 opens "The process", the process of using version control that 4 introduced.
1 opens "This" and closes on the setting that needs it most: software development.

2, 4, 3, 1 → option (a)

Why the others are wrong

• (b)
  2, 3, 4, 1 — Puts "The process" ahead of the use it describes. The key reads 3's "The process" as the process of using version control, which 4 introduces. In 2, 3, 4, 1 the process comes before the use.
• (c)
  3, 2, 4, 1 — Opens on a reference word. "The process" refers back to a process already named, but here nothing has been named yet, and the definition of version control waits until second place.
• (d)
  4, 1, 2, 3 — The definition comes third. 4 and 1 talk about using version control and where it helps before 2 explains what version control is.

Parajumbles are solved by links, not by topic: every sentence here is about version control, so topic alone orders nothing.

Opener: the sentence that introduces its subject in full.
Reference words: "The process" and "This" must follow what they refer to.
Expansion: 4's "complete history" and "easy rollback" build on 2's "recall specific versions later".

Place the opener, then chain the reference words.

Key facts

• A paragraph opens with the sentence that needs no earlier sentence to make sense.
• "The process" and "This" are reference words: each must follow the idea it points to.
• A benefit sentence ("By using version control…") follows the definition it depends on.

Common traps

• Ordering by topic words, like collaboration and programmers, instead of by what "The process" and "This" point back to.
• Starting with 4 because it names version control, when it assumes the reader already knows what version control is.

No directly related past PYQ was found.