It wasn’t until the late 19th century that physicians realized that its______symptoms were all part of the same disease.

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问题 It wasn’t until the late 19th century that physicians realized that its______symptoms were all part of the same disease.

选项 A、perfunctory
B、peremptory
C、perplexing
D、perambulatory

答案C

解析 本题的四个选项中,perfunctory意为“马马虎虎的”;peremptory意为“断然的,专横的”;perplexing意为“复杂的,令人困惑的”;perambulatory意为“闲荡的,巡视的”。本题的句意是,直到19世纪末内科医师才发现那些复杂的症状都是源自同种疾病。因此正确答案是C项。
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