有三幅图幅相同的地图，比例尺为①1：1000②1：1000000③1：1000000000 ，据此判断，下列说法正确的是[ ]

A．①图的比例尺最小            

B．如有一张是学校平面图，应当是①图

C．③图表示的地理事物最详细    

D．②图表示的实际范围最小

—Have you heard that he was admitted into Beijing University?

—Is that true? And I'm glad that his efforts at last ___．

A．took off

B．paid off

C．turned out

D．paid for