单项选择题
W: I think I’ll take the half-day tour of the city.
M: Why not the whole day
W: I’d like to, but there are so many things I have to do in the afternoon.
A. Touring the city on a fine day.
B. Visiting the city with a group.
C. Spending more time on sightseeing.
D. Taking himself with her on the tour.