Refrigerating meats ________ the spread of bacteria.A retards B retarding C to retard D is retarded

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Refrigerating meats ________ the spread of bacteria.A retards B retarding C to retard D is retarded
Refrigerating meats ________ the spread of bacteria.
A retards
B retarding
C to retard
D is retarded

Refrigerating meats ________ the spread of bacteria.A retards B retarding C to retard D is retarded
按说应该是retard,冷鲜肉延缓细菌传播~
如果说把Refrigerating meats当作一类事物,做不可数名词来看,选A也可以吧~

A
冷冻肉类减缓细菌散播。

a
是动词短语后面谓语动词为单数

冷藏肉是防止细菌的蔓延
选a
其他形式缺少谓语