The inference shows that the thing that the excerpt reveal about Krebs is C. He is dissatisfied and feels disillusioned with his surroundings.
<h3>What is an inference?</h3>
An inference simply means the conclusion that can be deduced based on the information given in a story.
In this case, the inference shows that the thing that the excerpt reveal about Krebs is that he is dissatisfied and feels disillusioned with his surroundings.