These increased harvests _____ that 22% ...

These increased harvests _____ that 22% of the world’s people are fed from just 7% of the farmland in China.

A．means

B．meant

C．mean

D．is meaning

C 【解析】考查主谓一致。主语是these increased harvests是复数形式，且本句是一般现在时。

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