题目

下面四条线段中成比例线段的是（ ） A . ， ， ， B . ， ， ， C . ， ， ， D . ， ， ， 答案：CTheir carelessness ______ the failure. That is to say, the failure_____ their carelessness.     A. resulted in; was resulted from       B. resulted from; resulted in     C. resulted in; resulted from           D. was resulted from; resulted in