[求助]885 sec13-3

3.     As litigation grows more complex, the need that experts explain technical issues becomes more apparent.

(A) that experts explain technical issues becomes

(B) for experts to explain technical issues became

(C) for experts to explain technical issues becomes

(D) that technical issues be explained by experts became（C）

(E) that there be explanations of technical issues by experts has become

答案C，A呢？that 限定定语从句为什么在这里不能用？

我感觉和句意有关吧

the need for sb to do...

that的话就表示后面内容对need做出的解释,从意思上来说不通