题目：
Stretchers are fitted in lifeboats to provide a（）.
A.place for people to lie down
B.means for rigging the sail
C.place for rowers to brace their feet
D.suitable means for water to drain below the footings
答案：
参考答案：C
Stretchers are fitted in lifeboats to provide a（）.
A.place for people to lie down
B.means for rigging the sail
C.place for rowers to brace their feet
D.suitable means for water to drain below the footings
参考答案：C
