单项选择题

W:Steve called to see whether we can give him a lift to the beach this weekend.
M:Well,I’ll see to that,but whether or not we’ll have any room for him is unclear.
Q:What does the man mean?()

A.He will see Steve soon.
B.He is afraid the weather will not be clear.
C.He is not sure if there will be enough space.
D.He is not sure if he can find a room for Steve.