It is often more difficult than to get financial support for scientific research.

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问题 It is often more difficult than to get financial support for scientific research.

选项 A、obtaining trained men
B、to find trained men
C、in getting men trained
D、recruiting experienced men

答案B

解析并列连接词and，but，as well as等，以及从属连词than连接两个对等的词和结构。此处连接词than必须连接相同的非限定动词，因此B为正确选项。

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专业英语四级

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