Octber 6, 2011, Steven Jobs, the founder of Apple, died the age of 56.
- A.In; at
- B.On; in
- C.At; in
- D.On; at
答案
正确答案:D
知识点:介词

表示在具体的某一天用介词on,表示在多少岁用at the age of,故正确答案为D。

略
