单选题Studies show that the average woman ______.A sleeps less than the average manB sleeps longer when she goes out to workC has difficulty in getting to sleepD sleeps over eight hours a night
题目
单选题
Studies show that the average woman ______.
A
sleeps less than the average man
B
sleeps longer when she goes out to work
C
has difficulty in getting to sleep
D
sleeps over eight hours a night