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题目内容双击单词支持查询和收藏哦～
Currently _____ in philately, Roger decided to pursue his new hobby because he had already become an expert numismatist.
- A.a dilettante
- B.a philanderer
- C.a mentor
- D.a specialist
- E.an eccentric
A显示答案
以上解析由 考满分老师提供。
