. The traffic slowed down because of the
题型：选择题
问题：
.
The traffic slowed down because of the heavy snow in Yushu county, presenting a new __________ to the recovery from the earthquake.
A．suffering
B．disaster
C．challenge
D．damage
.
The traffic slowed down because of the heavy snow in Yushu county, presenting a new __________ to the recovery from the earthquake.
A．suffering
B．disaster
C．challenge
D．damage