英语选择题的几个小问题
I wonder why jack always gets good marks when he does only_______the others.
A half as much as
B as much as half
C half as many as
D as many as half
这题的正确选项是A,我不知道应该怎么做这道题目,完全没有思路,做这题要不要考虑题目中的那个分数可数不可数的问题呢?请详细解答~~~谢谢