Cognitive dissonance
a. is a state of tension produced when related cognitions are inconsistent.
b. is a feeling of discomfort experienced by receivers of persuasive communications.
c. is a feeling of guilt produced by engaging in counter attitudinal behavior.
d. occurs only when cognitions are unrelated to each other.

a. is a state of tension produced when related cognitions are inconsistent.

Explanation:

Cognitive dissonance: In social psychology, the term cognitive dissonance was introduced by Leon Festinger during 1957. It states that human beings desire to gain internal consistencies to make their cognitions work properly or mentally.

Cognitive dissonance refers to the discomfort faced by an individual who possesses conflicting beliefs, ideas, or values at the same period in time.

In the question above, cognitive dissonance refers to a state of tension produced when related cognitions are inconsistent.

glass wants to live in a world of super heroes and villains. he have lived all his life trying to be responsible for the creating the origin story of a super hero; he schemed and caused many incidents (many of them fatal) hoping that someday someone with superpowers would show up and save the day.

he knew himself very much. he saw himself as a villain of a real-life super hero story. he was aware of his strengths (more than smart enough for being manipulative and scheming) and weaknesses (having fragile bones and having to rely on his mind to succeed).

answer; blank(1); /// the sea; blank (2); / a forest of pines;