Do you know____I can get the first place?----sorry,I have no idea.

问题描述:

Do you know____I can get the first place?----sorry,I have no idea.
A that
B whether
C what
D which
说明理由

B.whether
你认为我能否得到第一名?对不起,我不知道.
know后接宾语从句,whether引导此宾语从句.