—What is ______ population of China?

   —China has ____population of l．3 billion．

A．the；the    B．a(chǎn)；a    C．a(chǎn)；the    D the；a

D


解析:

population“人口”，如有地點(diǎn)名詞修飾，需加“the”； 如有數(shù)字修飾，則需加“a”

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