M: You're going to wear out that typewriter. W: Oh, hi. What are you doing here at this time of night? M: I should ask you that question. Do you have any idea what time it is? W: About ten or ten-thirty? M: It's nearly midnight. W: Really? I didn't have any idea it was so late. M: Don't you have an early class tomorrow morning? W: Yes, at seven o'clock. My part-time class, for the students who go to work right after their lesson. M: Then you ought to go to bed. W: Ok., Question: When does the woman's early class begin? (A) At 7: 00. (B) At 7: 30. (C) At 8: 00.
(A) At 7: 00.