254. Balding is much more common among White males than males of other races.
(A) than
(B) than among
(C) than is so of
(D) compared to
(E) in comparison with
答案:Ｂ
C than is so of 选项是否等于 than (balding) of (males of other races) is (common)? so 替代 common?
多谢. | 
