With this refusal to publicly name a successor, 84-year-old Warren Buffett joined the club of billionaire \_\_\_\_ spurning retirement.
Aoctogenarians正確答案
Bnonagenarians
Cseptuagenarians
Dcentenarians
答案與詳解
octogenarians 指八十至八十九歲的人,字首 octo- 代表八,完全符合題幹中 84 歲的描述。
