Thoughof taking too many risks the climber continued his challenge.A. was accusedB. accus

问题补充：

Thoughof taking too many risks, the climber continued his challenge.

A. was accused

B. accusing

C. accused

D. to be accused

答案：

A. was accused

B. accusing

(答案→)C. accused

D. to be accused

解析：句意：尽管被指责太冒险了，他仍然继续他的冒险活动。这里是省略句，完整的是Though he was accusedof taking too many risks,故选C。