.
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
网友回答
A. suffering
B. disaster
(答案→)C. challenge
D. damage
解析：名词辨析题。A．suffering 遭罪B．disaster 灾难C．challenge 挑战D．damage 破坏句意：因为玉树大雪车辆减速这对灾后重建是一大挑战。根据语境选C