单选题 Before ______ over the company' s accounting division, Mr. Rayasit was in charge of planning and strategy.
A. take
B. taken
C. taking
D. took

【正确答案】 C

【答案解析】中级问题看到空格前面没有主语，则空格内要么填入非谓语动词，要么填入分词。应填入的是和主语Mr. Rayasit作为主体发出的动作，所以在B和C选项中选择主动语态C选项。另外，请记住before和after的后面经常用-ing的分词形式。