Student A: “What were you doing at 10 p.m. last night?” Student B: “______________”151/300Mark the letter A, B, C or D on your answer sheet to indicate the sentence that best completes each of the following exchanges. Student A: “What were you doing at 10 p.m. last night?” Student B: “______________”Nothing. I was asleep.I’m studying for an exam.I’ve done my homework.I talked to my dad.Giải thíchChọn A