According to the passage the fact that many people have poorer hearing when they grow old
公共英语
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According to the passage，the fact that many people have poorer hearing when they grow old is．
A.the must-be result of old age．
B.probably related to the long-time exposure to loud noise
C.because they cannot distinguish high-pitched sounds
D.because their gays aye no longer young
请帮忙给出正确答案和分析，谢谢！