1、 to his mother,he looked after her day and night when she was ill.

问题描述:

1、 to his mother,he looked after her day and night when she was ill.
1、_____ to his mother,he looked after her day and night when she was ill.
A:Devoted B:Devoting C:To devoted D:Being devoted

A
你可以把这个句子这样来看
前半句是 He was devoted to his mother.He looked after her day and night when she was ill.
如果把中间的.去掉 就要吧前面的he was 去掉 使得前半句变成非谓语的形式
所以显然选A