, he took an interest in biology. A. When very young B. When he young C. As very young ——青夏教育精英家教网—

摘要： , he took an interest in biology. A. When very young B. When he young C. As very young D. When being young

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________，he took an interest in biology.

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A. When very young　　　　　　　　　　 B. When he young

C. As very young 　　　　　　　　　　　　　　 D. When being young

________, he took an interest in biology.

A. When very young　　　　　　　　　　 B. When he young

C. As very young 　　　　　　　　　　　　　　 D. When being young

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