OG 12 SC 5一个没有被人讨论过的点。

fpd

diabetes， together wih its  serious complications, ranks as the nation's third leading cause of death, surpassed only by heart disease and cancer.
A.
B.rank as the nation's third leading cause of death, only surpassed.
C. has the rank of the nation's third leading cause of death, only surpassed.
D. are the nation's third leading causes of death, surpassed only.
E.have been ranked as the nation's third leading causes of death, only surpassed

cause 的单复数不一样。

sisichen666

这个不用纠结，考察diabetes的单复数，如果有学生认为是复数，那么diabetes=causes，如果有些生认为是单数，那么就会有diabetes=cause的意识，所到头来还是在考察diabetes(当然是单数的哈》》）