The noun in bold letters is the political candidates corresponding to the subject of the sentence.
Option A is correct.
What is a noun?
A noun is one of an grammatical device being used to indicate the thing, a place or an individual in the sentence.
- A sentence is made up of words, verbs, conjunctions and other grammatical devices. It has a subject , that is , the person or thing that performs the action, and the object, that is , receiving the action.
- In the provided sentience, the political candidates are considered to be the subject as the action of making promise to the people are performing by them.
Therefore, the correct option is option A.
Learn more about the nouns in the related link:
https://brainly.com/question/134274
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