_____ her mother after being separated for 20 years, she couldn’t help, even though she tried not to, ______.A.Seen, cryingB.To see, cryC.Seeing , cryingD.Having seen, crying
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C解析考查分词用法。See和she构成主动关系， 使用现在分词。第二空是固定结构can’t help doing 忍不住做某事；句意：分别20年后再见到她母亲，即使她努力的不哭，她还是忍不住哭了。