Question

The employment rate has continued to rise in big cities thanks to the efforts of the local governments to increase________.                                    (2011·北京，34)

A．them	B．those
C．it	D．that

Answer 1

　C
解析　句意为：由于当地政府(为增加就业率)所做的努力，大城市的就业率持续攀高。根据句意可知，本题中的代词应该指代上文提到过的名词the employment rate，根据代词的用法可知选项C正确。A项指代复数名词；B项指代可数名词复数；D项指代上文意思。