单选题
The policeman on duty became ______ of the youth and asked him why he was standing there.
A、
doubted
B、
suspicious
C、
suspected
D、
hesitated
【正确答案】
B
【答案解析】
[解析] 考查形容词辨析。be suspicious of“怀疑”符合句意。A．doubt“怀疑；疑惑”；C．suspect“怀疑；猜疑”；D．hesitate“犹豫，踌躇”，没有be doubted/suspected/hesitated of的结构。
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