His carelessness ( ) his failure in the examinationA lay in B resulted from C led to D settled down

问题描述:

His carelessness ( ) his failure in the examination
A lay in B resulted from C led to D settled down

C
led to导致; result 要和in搭配; settled down安顿下来;lay in 存在于

C导致

选C.表示导致