【题目】When a new problem _____ in the experiment, no one could do with it apart from Mary.
A.aroseB.was came up
C.roseD.came up with
在线课程【答案】A
【解析】
考查单词和词组辨析。句意：当实验中出现新问题时，除了玛丽没有人能处理。A. arose出现，引发；B. was came up被提出；C. rose上升；D. came up with提出，想出。动词短语come up“被提出”，was came up是错误的；此处指新问题“出现”。故选A。