jack is better at english than any

jack is better at english than any -----------her classmates.a.other of b.of
并说明why 感激啊

选：A any other OF ( 指同范围相比,即JACK 是班上的一个）
而ANY OF （ 指不同范围相比）
如果不明白,请再问；如果对你有所帮助,
请点击本页面中的“选为满意回答”按钮,
再问： 为什么要加of？jack is better at english than any other his classmates 不是也对吗？
求解。。 谢谢。
再答： 不对，应该是：
Jack is better at english than any other student in his class .

=Jack is better at english than any other of his classmates

= Jack is best at english in his class .
再问： 即any other +单=any other of +复

是吗？ 求解 谢谢
再答： 可以这样理解，但请看清楚后面接的词。