Need more context or a picture
Answer:
Not B
Explanation:
Just took the test and its not B
Please develop your question more
Personally I’d say classmate of different genders. They all come from different families, they have a different gender, and race.
Answer:
Qatar
macao
luxembourg
singapore
ireland
brunei darussalam
norway
united arab emirates
kuwait
switzerland
(richest) i could be wrong