（）是自然灾害可能引起的传染病。
A.病毒性感冒
B.疟疾
C.红眼病
D.以上都是
参考答案：D
.
He wanted to know what I thought, _____ confused me because I thought the author knew
more than I did.
A．when
B．that
C．which
D．where
请就职场人士间有情绪时的情绪管理的技巧做简单说明？
