what is our head teacher like,do you know?

问题描述:

what is our head teacher like,do you know?
Oh,he is very kind---he looks very serious
A.because
B.though
C.if
D.when

B“虽然,尽管”
我们班主任怎么样,你知道吗?
他非常好尽管看起来很严肃