【题目】Not only______an explorer but also he was a great thinker______this thirties.
A. he was...in B. was he...at
C. was he...in D. he was...at
在线课程【答案】C
【解析】考查部分倒装。not only…but also…连接两个分句时，如果not only位于其所在的分句之首时，其后分句要主谓倒装。句意：他不仅是探险家而且他还是一位伟大的思想家。故选C。