The medical team, three doctors and two nurses, for the mountain area yesterday.
A. put off
B. put up
C. set about
D. set off
网友回答
A. put off
B. put up
C. set about
(答案→)D. set off
解析：考查词组：A. put off推迟B. put up张贴C. set about开始D. set off出发，动身，引发，句意：三名医生，两个护士的医疗队昨天动身去了山里。选D。