The mountain-climbing every one of us.
A. has been tried
B. has tired
C. is tired
D. tired
网友回答
A. has been tried
(答案→)B. has tired
C. is tired
D. tired
解析：部分动词如：interest, excite, inspire,move,terrify, surprise, astonishm shock, encourage,discourage常常用作及物动词，用在主语从句中充当谓语。