such a good chance, he planned to learn more.A. GivenB. Being givenC. Having givenD. Givi

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(答案→)A. Given
B. Being given
C. Having given
D. Giving
解析：非谓语动词的测试。分词或分词短语作状语，其逻辑主语须同句子主语一致；过去分词表被动，先于谓语动作（无明确的时间界限）；现在分词的被动式与谓语动作同时进行。