To solve this question, the user needs to understand the meaning of the phrase "owns up to his errors" and how it relates to George's behavior.
Explanation for each option:
A. comes on: This option does not fit the context of the sentence. "Comes on" typically means to approach someone or make an enthusiastic impression, but it does not convey the idea of taking responsibility for one's mistakes.
B. owns up: This option is correct. "Owns up" means to admit or take responsibility for one's actions or mistakes. In the context of the sentence, it suggests that George never admits or acknowledges his errors.
C. goes forward: This option does not fit the context of the sentence. "Goes forward" typically means to make progress or continue with a plan, but it does not convey the idea of owning up to one's mistakes.
D. pays up: This option does not fit the context of the sentence. "Pays up" typically means to fulfill a financial obligation or settle a debt, but it does not convey the idea of taking responsibility for one's errors.
The correct answer is B. owns up. This option correctly conveys the meaning that George never admits or takes responsibility for his mistakes.
Answer: B. owns up