单项选择题

Which of the following does NOT happen if people are exposed to bright red

A．They breathe faster.
B．They feel afraid.
C．Their blood pressure rises.
D．Their hearts beat faster.
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单项选择题
Our preferences for certain colors are ______.
A．associated with the time of day
B．dependent on our character
C．linked with our primitive ancestors
D．partly due to psychological factors
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