单选题 In seeking to solve their problems, social scientists encounter greater resistance than physical scientists.

【正确答案】 A
【答案解析】该句的翻译要点为动词词组encounter greater resistance than physical“遇到更大的阻力”,没有将比较级的意义表达出来。C项翻译该要点时译成“有了更伟大的发现”,这与原文意义距离更大了。故正确答案为A。