一道GMAT的SC题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(E) the patient’s future behavior can be predicted less accurately 英语
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【答案】 这题考察的是对 focusing primarily on a patient’s mental condition and on vague and often very speculative psychodynamic factors主语的理解,从句子意思可得,该句的主语际动作执行者应该是人,而选项A为predictions ,选项C为the accuracy of predictions,选项D为a decrease,选项E为the patient’s future behavior ,都不符合题意,而选项B mental health professionals 是专家 符合题意,这题只要理解主语的内容,基本就不存在混淆项了.