GWD31-37

ericwilliam

37. GWD31-37

In 1994 the white house named Dr RuthR. Faden chairperson of the federal advisory committee of experts they assigned to do a report on the history and ethics of the government’s radiation experiments on humans in the 1950’s and 1960’

s .

A.they assigned to do

B.to be assigned doing

C.that was being assigned doing

D.assigned for doing

E.it assigned to do

答案选E，为什么？

cheshou

bcd可以先排除；

a中they只能指experts ，作定语，安排。。任务的专家委员会。。，这个任务应该是委员会完成；意思上将不通；

e中it指the white house

个人意见，