This type of pronoun replaces the subject, or main actor, of the sentence or sentence part a. possessive pronoun b. object pronoun c. subject pronoun d. reference pronoun

C) Subject pronoun.

Explanation: A pronoun is a word that can function as a noun phrase used by itself and that refers either to the participants in the discourse or to someone or something mentioned elsewhere in the discourse. There are different kinds of pronouns, the one that replaces the subject, or main actor, of the sentence, is called "subject pronoun," so the correct answer is the corresponding to option C.

yes they most likly are and have planed t try to bring human life and supplies there also(due to global warming and other harmful resorces)

where are the answer choices?