They would not allow him climbing Mount Everest.
A. to risk to
B. to risk going
C. risking going
D. risk going
网友回答
A. to risk to
(答案→)B. to risk going
C. risking going
D. risk going
解析：考查短语allow sb to do sth允许某人做某事;risk doing sth冒险做某事。他们不允许他冒险爬Everest山。