英语语法必刷第十部分：非谓语动词

1. (单选)

1. [单选]

（　　） of danger in the street at night, she had to go home, with a friend （　　） her.

（A）Warning; following

（B）Having warned; following

（C）Having been warned; following

（D）Warned; followed

答案:

解析: