Naturally， the spirit of carnival and the enthusiasm for high military adventure were soon dissipated once the eager young men had received a good taste of twentieth- century warfare.

Naturally， the spirit of carnival and the enthusiasm for high military adventure were soon dissipated once the eager young men had received a good taste of twentieth- century warfare.
A.bewildering
B.growing
C.disappearing
D.condensed
正确答案：disappearing