All are true of culture shock EXCEPT ______.
选项：

A: It is caused by losing familiar cues and symbols when one is transplanted from native culture to an alien culture.
B: Physical symptoms of culture shock can include insomnia, aches and pains.
C: In the U-Curve Model, the second stage is the honeymoon stage marked by excitement and fascination.
D: Successful management of culture shock depends on an awareness of its symptoms and degree of its severity.