- 试题详情及答案解析
- ________ of his son’s safety, the father turned off the light and went to bed.
| A．Being convinced | B．Convincing |
| C．Convinced | D．Having convinced |
- 答案：C
- 试题解析：考查分词短语作状语。现在分词作状语，与主句主语存在主动关系；过去分词作状语，与主句主语存在被动关系，be convinced of 确信，认识到，故与主语为被动关系，所以应使用过去分词作状语。句意：确信他的儿子是安全的，父亲于是关灯上床。故选C。
考点：考查分词作状语。