Which of the following statements is true？A．The brain of an adult person shrinks 2.5% ever
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Which of the following statements is true？
A．The brain of an adult person shrinks 2.5% every l0 years.
B．The cerebrospinal fluid of a person with g years of education may have increased by 17.7 millimeters.
C．The cerebrospinal fluid of a person with 16 years of education may increase by 10%.
D．The brain of an aged person shrinks 5% every 10 years.