◎ 题干
— I _____ to get through to her all day, but no one answered the phone.  
— Relax yourself. She will be all right.

A. try
B. have tried
C. have been trying
D. tried
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“— I _____ to get through to her all day, but no one answered the phone. — Relax yourself. She will be all right.[ ]A. tryB. have triedC. have been tryingD.…”主要考查了你对  【现在完成进行时】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。