有两只昆虫甲和乙，甲的翅膀每秒振动8次，乙的翅膀每秒振动30

有两只昆虫甲和乙，甲的翅膀每秒振动8次，乙的翅膀每秒振动300次，人凭听觉能感觉到在飞行的昆虫是（）

A．甲

B．乙

C．都感觉到

D．都感觉不到

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