The doctors have______ the cause of the illness to an unknown virus.
The doctors have______ the cause of the illness to an unknown virus.
A、led
B、directed
C、given
D、attributed
【正确答案】:D
【题目解析】:句意:医生们把这种疾病的起因归于一种未知的病毒。attributed to归因于;由于。
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