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

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

1. 修饰（一级排除 A,C,,E）

前置定语的中心词指向句子主语，是否合适。A, C, and E, in attributing ... behavior modifies the perpetrators, producing the illogical statement that the perpetrators rather than the defense attorneys are attributing behavior to food allergies.(动词attributing的发起者!!!!!)

That be /which be + 形容词都省略that be /which be （排除C ）

2 习语：(二级排除 D )

In the correct form of the expression, one attributes x, an effect, to y, a cause; è将一个现象归咎于某个东东x is attributed to y ==》 x 被归因于y , or, if a passive construction is used, x is attributed to y. ,,,,x is attributed to y ==》 x 被归因于y