问题补充:
He went out without an umbrella , in the rain.
A. risked being caught
B. risking being caught
C. risked to be caught
D. risking to be caught.
答案:
A. risked being caught
(答案→)B. risking being caught
C. risked to be caught
D. risking to be caught.
解析:“risk doing sth”冒险做某事,用现在分词作状语,故选B