In the wartime, the masses devoted whatever they had to the army in fighting against the Japanese.
A. have supported
B. support
C. having supported
D. supporting
网友回答
A. have supported
B. support
C. having supported
(答案→)D. supporting
解析：考查固定搭配。“在战争时期，人民群众把他们所有的东西都捐给了抗日的军队。”whatever they had 是宾语从句，devote sth. to doing sth.。故选D。