问题
选择题
Whether you believe it or not, it was________ caused the serious accident.
A．because of your carelessness that
B．because you were careless
C．you were careless that
D．your being carelessness that
答案
答案：D
题目分析： 句意：无论你是否相信，是你的粗心导致这个严重的事故。这是一个强调句，It was+强调部分+that…，这里填强调部分，可以把这句话还原：________ caused the serious accident.说明强调的是主语，用动名词your being carelessness做主语，如果是C项，主语从句要加that，所以选D。