Question

【题目】 The employment rate has continued to rise in big cities thanks to the efforts of the local governments to increase

___________.

A. them B. those C. it D. that

Answer 1

【答案】C

【解析】句意：由于当地政府的努力，大城市的就业率继续上升。根据句意可知，增加的是上文提及的the employment rate。A、B两项代指复数，应排除；it指同一个，即上文中的rate，为正确答案；that指同一类，但并不是同一个，可排除。