They were surrounded by the enemy, but finally they _____ out of the encirclement.A.managed breakingB.tried breakingC.managed to breakD.tried to
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C解析试题分析：理解句型是关键。manage to do sth.成功的做了某事，强调成功。try to do sth. 尽力做某事 try doing sth. 尝试做某事，后两个均不强调成功了。根据句意：他们被敌人包围了，但最终他们成功的突围了。考点：manage和try的用法。
点评：本题不难，重点记忆两个词所构成短语的意思区别及用法。平时学习积累，另外break out of 有“突破，冲破”的意思。