单选题When you become frightened, many physical changes occur within your body. Your heartbeat and responses quicken; your pupils dilate(扩大 and _______more light.ApermitBallowCadmitDlet
单选题
When you become frightened, many physical changes occur within your body. Your heartbeat and responses quicken; your pupils dilate(扩大 and _______more light.
A
permit
B
allow
C
admit
D
let
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解析：
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