【题目】The economy in big cities has continued to rise thanks to the local governments to increase ______.
A. that B. them
C. it D. those
在线课程【答案】C
【解析】
考查代词。A. that那个；B. them他们；C. it它；D. those那些。句意：由于地方政府的推动，大城市的经济持续增长。此处需用代词指代上文的economy，指代上文提到的同一事物，常用it。故选C。