问题
单项选择题
The lower your stage of sleep, ______.
A．the faster your eyes will roll about
B．the quieter your breath will become
C．the slower your brain waves will be
D．the higher your temperature will be
答案
参考答案：C
解析：[分析] 细节题型。 参看第一段第五句The lower your stage of sleep, the slower your brain waves will be．