Michael has decided to go abroad to study,_____.

问题描述:

Michael has decided to go abroad to study,_____.
A) however high the cost is B) no matter how higher the cost is
C) whatever high the cost is D) what the cost is

A
however high the cost is = no matter how high the cost is 无论费用多高
B错了是因为不应该用比较级higher
C,D whatever 和 what 意思不对