When you worry you tend not to be able to fall asleep and when you cant fall asleep you wo
已帮助 人
When you worry you tend not to be able to fall asleep and when you cant fall asleep you worry even more. Its a ______ circle.
A.repetitive
B.bad
C.round
D.vicious
请帮忙给出正确答案和分析,谢谢!
