is known to us all,,things can easily go wrong when people are under .
A. Which;control
B. As; load
C. It; strength
D. As; stress
网友回答
A. Which;control
B. As; load
C. It; strength
(答案→)D. As; stress
解析：考查非限制性定语从句which和as的辨析。句意：众所周知，人们在有压力的情况下，做事容易出差错。依据句意后空stress合适，有逗号隔开it不能用；which不能放于句首。