单选题
Which of the following is NOT mentioned in the text as one of the factors that may influence brain shrinkage?
A、
indulgence in drinking
B、
education
C、
emotional fluctuations
D、
hypertension
【正确答案】
C
【答案解析】
[精析] 是非判断 选项C在文章中并未明确提到也无法推测，因此正确。
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