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

of danger in the street at night, she had to go home, with a friend her.
A. Warned; accompanied
B. Warning; accompanying
C. Having warned; accompanied
D. Having been warned; accompanying

A. Warned; accompaniedB. Warning; accompanying C. Having warned; accompanied(答案→)D. Having been warned; accompanying解析：考查非谓语动词用法。Warn与she之间构成被动关系，所以使用过去分词表示被动，排除BC。Warned和Having been warned都可以，第二空的friend与accompany构成主动关系，故使用现在分词的形式，故D正确。

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