Correct option is C
The segment that contains the error is “So I jump at the chance.”
Error identification: The verb "jump" is in the present tense, but the rest of the sentence is in the past tense ("I have never played"). The verb should be in the past tense to maintain consistency.
Grammatical Rule used: Tense consistency is required within a sentence. If the main verb is in the past tense, the subsequent verbs should also be in the past tense.
Corrected sentence: I have never played a hero before, so I jumped at the chance.