单项选择题

M: What time do you usually go to work
W: Around 7:30, but lately I’ve been having trouble getting up in the morning, so I’ve been going 1o work at 7:50.

What time does the woman usually go to work()

A.At 7:30.
B.At 7:15.
C.At 7:50.
D.At 8:00.