According to Martin the aim of putting plastic bags around the bunches is toA.keep banana

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According to Martin, the aim of putting plastic bags around the bunches is to

A.keep banana trees growing fast.

B.prevent bananas from going bad.

C.protect the bunches from cold weather.

D.make the bananas ripen beforehand.

请帮忙给出正确答案和分析,谢谢!

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