Select the correct direct form of the given sentence. She said, ‘Why didn’t you send a friend request to me?’

She asked me why had I not sent a friend request to her She enquired why I had not sent a friend request to her. She enquired why I did not send a friend request to her. She questioned why I had not send a friend request to her.

She enquired why I had not sent a friend request to her.

Ans 2 Reporting speech has interrogative sentence with question word, hence no conjunction will be used.Reported verb is in past tense hence changed in reporting speech tense-past indefinite to past perfect.