阿摩線上測驗
20. Julia remained silent throughout the high-stakes corporate negotiation, ________ an ill-considered remark undermine the fragile discussions and jeopardize the meticulously crafted financial agreement at hand.
(A) if
(B) lest
(C) whether
(D) whatever
答案：登入後查看
統計： A(0), B(16), C(3), D(4), E(0) #3436342
統計： A(0), B(16), C(3), D(4), E(0) #3436342
