翻译John and his brother differ in personality even if their differences in age are n

翻译John and his brother differ in personality even if their differences in age are not significant.

A. 尽管约翰和他哥哥在年纪上相差很大，但他们的个性却不相同。

B. 尽管约翰和他哥哥在年纪上相差不大，但他们的个性却不相同。

C. 尽管约翰和他哥哥在年纪上相差不大，但他们的个性相同。