求助一道题

winonawu · 发表于 2013-10-20 16:48:38

In his research paper, Dr. Frosh, medical director of the Payne Whitney Clinic, distinguishes mood swings.
which may be violent without their being grounded in mental disease, from genuine manic-depressive
psychosis.

(A) mood swings, which may be violent without their being grounded in mental disease, from genuine
manic-depressive psychosis

(B) mood swings, perhaps violent without being grounded in mental disease, and genuine manic-depressive psychosis ,

(C) between mood swings, which may be violent without being grounded in mental disease, and genuine
manic-depressive psychosis

(D) between mood swings, perhaps violent without being grounded in mental disease, from genuine
manic-depressive psychosis

(E) genuine manic-depressive psychosis and mood swings, which may be violent without being grounded in mental disease

根据distinguish 的用法，BDE out.
A 为什么不对呢？

Indigolove · 发表于 2013-10-20 17:51:10

In his research paper, Dr. Frosh, medical director of the Payne Whitney Clinic, distinguishes mood swings.
which may be violent without their being grounded in mental disease, from genuine manic-depressive
psychosis.

?(A) mood swings, which may be violent without their being grounded in mental disease, from genuine
manic-depressive psychosis
(B) mood swings, perhaps violent without being grounded in mental disease, and genuine manic-depressive psychosis ,
(C) between mood swings, which may be violent without being grounded in mental disease, and genuine
manic-depressive psychosis
(D) between mood swings, perhaps violent without being grounded in mental disease, from genuine
manic-depressive psychosis
(E) genuine manic-depressive psychosis and mood swings, which may be violent without being grounded in mental disease

A is distinguishes......from......
C is distinguishes between.......and.......
Both are ok, the problem is the "their" in A.
It is much more awkward than C

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