Mini-Test Answer: 没 (méi)

Beginner Level 初级 (chū jí)
The correct answer to this test is A.
 
Analysis:
“没 (méi)” and “不 (bù)” are both negative words. “没 (méi)” refers to the objective negation while “不 (bù)” refers to the subjective negation.

For example:

我不吃饭。(Wǒ bù chīfàn.) means “I …