If Gavin says to himself, "I think I'll take a walk today." In what type of communication is he engaging?

Intrapersonal communication.

Explanation:

Intrapersonal communication is a type of communication in which an individual engages in communication with one's self, for instance, self-talk, imagination, or even recollecting memories or thoughts, etc.

In the given instance, Gavin is engaged in self-talk. Gavin is saying to himself that he will take a walk that day. As explained above, self-talk is an intrapersonal communication, the given sentence exemplifies the same.

Therefore, the type of communication presented in the given statement is intrapersonal communication.

Options c, d, and e. Chanticleer has azure legs and toes, white spurs, has burnished golden plumage, and is a self-important rooster.

Explanation:

Chanticleer the rooster or cook is a character that appears in many tales and fables from Geoffrey Chaucer's "The Canterbury Tales" that is a collection of 24 stories that were written between 1387 and 1400. Chanticleer is a self-important rooster, which has azure legs and toes, white spurs and burnished golden plumage.