单项选择题

What's the meaning of "crossed laterality"

A．The right hand is controlled by the left side of the brain, and the left hand is controlled by the right side of the brain.
B．Right-handers' speech-language center is in brain' s left-hemisphere, while left-handers' speech-language center is in brain's right-hemisphere.
C．The development of right and left side of brain is interactive.
D．The human central nervous system is just like a circuit.

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