21. 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
?? D avoids the initial modification error by using a passive construction (in which the attributors are not identified), but attributed x as the cause of y is unidiomatic. Choice B is best.
Choice C is also wordy, and attributing ... as is unidiomatic in E. In the correct form of the expression, one attributes x, an effect, to y, a cause; or, if a passive construction is used, x is attributed to y.
what 's meaning of "avoids the initial modification error by using a passive construction "?
what's the passive construction of D?
Is it related to "a passive construction is used, x is attributed to y. "?
Many thanks | 
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发表于 2004-4-13 06:30:00
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