求助 大全SECTION B-03

3.    It may be that by focusing primarily on a patient’s mental condition and on vague and often very speculative psychodynamic factors, predictions about the patient’s future behavior decrease in accuracy.

(A) predictions about the patient’s future behavior decrease in accuracy

(B) mental health professionals lessen the accuracy of their predictions about the patient’s future behavior

(C) the accuracy of predictions about the patient’s future behavior lessens

(D) a decrease in accuracy is seen in predictions about the patient’s future behavior can be predicted less accurately（B）

(E) the patient’s future behavior can be predicted less accurately.

这题整个没看太懂？？？

这个题目你不用完全看懂，你只要看出来，  by doing sth, sb can do sth.....这个结构就可以了。

前面是 by focusing  *****, 后面一定是发出这个focusing动作的人，只有B有可能。