Instead of (wait) _________ for the teacher to explain, you should try your best first.

A．He thinks it is too beautiful.
B．He thinks she has a good taste in clothes.
C．He thinks the skirt is pretty, but he doesn’t like the blouse.
D．He doesn’t think her choice is suitable to the occasion.

A．Nothing.
B．Not bad.
C．Not at all.
D．That’s all right.