请教大全885 － section 5 -21&22

fujialei

    

Defense attorneys have occasionally argued
that their clients’ misconduct stemmed from a reaction to something ingested,
but in attributing criminal or delinquent behavior to some food allergy, the
perpetrators are in effect told that they are not responsible for their
actions.

    

(A) in attributing criminal or delinquent
behavior to some food allergy

    

(B) if criminal or delinquent behavior is
attributed to an allergy to some food

    

(C) in attributing behavior that is
criminal or delinquent to an allergy to some food

    

(D) if some food allergy is attributed as
the cause of criminal or delinquent behavior（B）

    

(E) in attributing a food allergy as the
cause of criminal or delinquent behavior

答案选b，为什么不选a呢 

    

22.
            The
voluminous personal papers of Thomas Alva Edison reveal that his inventions
typically sprang to life not in a flash of inspiration but evolved slowly from
previous works.

    

(A) sprang to life not in a flash of
inspiration but evolved slowly

    

(B) sprang to life not in a flash of
inspiration but were slowly evolved

    

(C) did not spring to life in a flash of
inspiration but evolved slowly

    

(D) did not spring to life in a flash of
inspiration but had slowly evolved（C）

    

(E) did not spring to life in a flash of
inspiration but they were slowly evolved

答案选c，为什么不是a呢？

多谢！！

    

jbyupei

第一个，  A 的some 是修饰 allergy 的， 不对，  还有， perpetrator 不是 attribute的动作发出者， 显然是他的律师

第二个，  not。。。but。。。   中间的点要绝对平行， 不能一个状语一个谓语

fujialei

多谢！不过22题，a和c在not...but...的用法上是一致的

AlienX

LZ要小心not...but...的結構
這種結構有兩種:
1. do not do something but do something
2. not X but Y