To answer this question, you need to understand the difference between "besides" and "beside".
Option A) besides - This option is incorrect because "besides" means "in addition to" or "apart from", and it does not convey the meaning of sitting next to someone.
Option B) beside - This option is correct because "beside" means "next to" or "at the side of", which accurately describes sitting next to someone in class.
Option C) none of the above - This option is incorrect because Option B is the correct answer.
Option D) 1 or 2 any is correct - This option is incorrect because only Option B is the correct answer.
The correct answer is Option B) beside. This option is correct because it accurately describes sitting next to someone in class.