The gist of the saying went something like this: If a person wants to get ahead in life, you have to be willing to work for it. Which of the following language conventions is violated in the sentence above?
A. Pronoun-antecedent agreement
B. Verb tense
C. Punctuation of an introductory clause
D. Use of a colon
The language convention violated in the sentence is pronoun-antecedent agreement. The pronoun "you" does not agree in number with its antecedent "a person." It should either be "he or she" or "they" to agree with the singular or plural antecedent.
Therefore, the Correct Answer is A.