It would be c. she. This is because a pronoun is - "<span>a word that can function by itself as a noun phrase and that refers either to the participants in the discourse (e.g., </span>I<span>, </span>you<span> ) or to someone or something mentioned elsewhere in the discourse (e.g., </span>she<span>, </span>it<span>, </span>this<span> )."
Hope I helped :)</span>
An understatement is the downplay of something.
It has helped us with abbreviation and learn better words for describing things.
Type of education one receives
The answer of your question is answer no D