of danger in the street at night she had to go home with a friend her.A. Warning; foll

问题补充：

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

A. Warning; following

B. Having warned; followed

C. Having been warned; following

D. Warned; followed

答案：

A. Warning; following

B. Having warned; followed

(答案→)C. Having been warned; following

D. Warned; followed

解析：考查分词用法。第一空的动词与句子主语she之间构成被动关系，且warn的动作发生在谓语动作之前，故使用完成式表示强调。第二空是with的复合结构，a friend与follow构成主动关系，故使用现在分词的形式。句意:已经多次被警告晚上的街上很危险，她不得不让一个朋友跟着她一起回家。故C正确。