Q: Convert from indirect speech to direct speech: The teacher asked her students why they had been quiet in the previous class.
(a)The teacher asked her students, "Why were they keeping quiet in the previous class?"
(b)The teacher said to her students, "Why were you quiet in the previous class?"
(c)The teacher said to her students, "Why had you been quiet in the previous class?"
(d)The teacher said to her students, "Why were you quiet in previous class?"
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