单选题 It was ________ that asked Maury for help in oceanography studies.

【正确答案】 D
【答案解析】根据第四段的第一句“It was to Maury of the U.S.Navy that the Atlantic Telegraph Company turned…”,是一个强调句,被强调的部分是题干句的宾语,而题干句用的也是一个强调句,被强调的部分换成了原句的主语。