Select the correct indirect form of the given sentence.

The teacher said to the student, “Why were you absent yesterday?"

The teacher asked the student why he had been absent the previous day.

The correct indirect form of the given sentence is:

The teacher asked the student why he had been absent the previous day.

The other options are incorrect for the following reasons:

• The teacher informed the student that why he had been absent the next day. - The word "that" is not necessary in indirect speech. The phrase "the next day" is also incorrect, as the teacher is asking the student about the previous day.
• The teacher asked the student why had he been absent the previous day. - The verb "had" is missing the helping verb "to".
• The teacher asked the student why had been he absent the previous day. - The word order is incorrect.