they may have, the CEO of the corporation calls on all the staff to gather their courage to strive it.
A. What a serious problem
B. However a serious problem
C. How serious a problem
D. Whatever a serious problem
网友回答
A. What a serious problem
B. However a serious problem
C. How serious a problem
(答案→)D. Whatever a serious problem
解析：分析句意，无论他们有多严重的问题，公司的首席执行官都能召集所有员工鼓起勇气解决问题。选项【A】【C】为感叹句结构，与句意不符。【B】选项中，连接词however应接形容词或副词，即however serious the problem may be。因此【D】项正确。