[单选题]The population of this city is______ that of ours.
A.twice as much as
B.twice as large as
C.as twice much as
D.as twice large as

A city man was on holiday in the mountains. He talked 21 a mountain man and found that the man was stupid, so he suggested they would 22 a game. "Well ask each other questions," he said, "and the person will pay a dollar if he can't answer one question." The mountain man thought 23 this for a few minutes, then said that the city man was more educated than he and it would be fairer if the city man paid a dollar and he paid only 50 cents. The city man agreed. 24 has three legs and can fly?" asked the mountain man. The city man thought a while, then answered,"1 don't know.

910 Here is your dollar. "Then he asked the same question. "I don't know,25." said the mountain man. "Here is your 50 cents." 

21:with    22:play   23:about   24:What    25:Either