求教PREP SC一道题 请各位大牛帮帮忙

sbwhhnybz

The Environmental Protection Agency frequently puts mandatory controls on toxic substances that present as little risk as one in a million chances to cause cancer.

(A) as little risk as one in a million chances to cause

(B) as little risk as one chance in a million of causing

(C) as little risk as one chance in a million that it will cause

(D) a risk as little as one chance in a million for causing

(E) a risk as little as one chance in a million for it to cause

答案是B好像，那D哪里错了?

sbwhhnybz

懂了 那直接就找出选项了 谢谢！

wxq19881113

risk of 固定搭配。。。好像是~