M: Mom, the house is clean, how early did you start doing the cleaning? ,F: 7:00 AM, I tried to make all rooms clean before 11:00 o'clock. ,M: You got up early. ,F: And then I cleaned the garden from 1:00 PM till 3:00 PM.
(A) M: So you spent 4 hours cleaning the room? You must be very tired now. (B) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (C) M: I'm so impressed that you spent 6 hours cleaning the garden. (D) M: It's so impressive that you spent 8 hours cleaning the garden.
A