想問個文法問題，感謝! - 英檢

大家好 有一題題目是這樣的:

2. Many companies across the country have molded the concepts ______

describes into an integrated strategy for preventing stress.

(A) and Wolf

(B) that Wolf

(C) what wolf

(D) so Wolf


要選出使句子合文法的答案

本題答案為 "C"

想要請問為什麼不可以選 "B"

謝謝大家~


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