C. - Phrase does not have an adverb
B. - Phrase does not have an adjective
It has to be A
The answer is: "prototype" .
_________________________________________________
"<span>When forming a concept, people often develop a best example, or
<u> prototype </u> , of a category."
_____________________________________________________</span>
Answer:
because students are very silly
teachers guid them for right path
Explanation: