they set out to break the record for cross­channel swimming.A. Well equipped B. Well

问题补充：

，they set out to break the record for cross­channel swimming.

A. Well equipped

B. Well equipping

C. Well equips

D. To equip

答案：

(答案→)A. Well equipped

B. Well equipping

C. Well equips

D. To equip

解析：equip和they之间是被动关系，所以用well equipped过去分词作状语。