单项选择题

M: I thought you were going to call me last night. I was waiting the whole night.
W: I had intended to. But it was 12 o’clock when I got back home after meeting my friends. I didn’t want to disturb you.

What was the man doing last night().

A. Waiting for the woman’s visit.
B. Waiting for the woman’s call.
C. Meeting his friends.
D. Meeting the woman.