You'll realize that it wouldn't have happened if not __ that early disappointment.A.because ofB.overC.forD.with这道题给的答案是C,而我选的是A.为什么选C不选A?

You'll realize that it wouldn't have happened if not __ that early disappointment.A.because ofB.overC.forD.with这道题给的答案是C,而我选的是A.为什么选C不选A?
You'll realize that it wouldn't have happened if not __ that early disappointment.
A.because of
B.over
C.for
D.with
这道题给的答案是C,而我选的是A.为什么选C不选A?

You'll realize that it wouldn't have happened if not __ that early disappointment.A.because ofB.overC.forD.with这道题给的答案是C,而我选的是A.为什么选C不选A?
你选A的话意思说不过去,而且BCOZ OF放在这里的话 构不成句子!

because of 与 for 相比表示更加直接的而不是推断的原因，语气更强.这题有推断的意义在所以最好用for