問題詳情

9. Frank’s allergy to peanuts is very severe, even getting close to peanut butter can ________ a bad reaction if he’s not careful.
(A)upgrade
(B)enhance
(C)trigger
(D)erupt

參考答案

答案：C
難度：簡單0.733333
統計：A(2),B(2),C(11),D(0),E(0)