Read the sentence and decide which answer A, B, C or D best fits the space and completes the idiom. No matter what I do, he is always one ... ahead of me. a. bounce b. skip c.…

The best answer to complete the idiom is c. leap.

So the completed sentence would read: "No matter what I do, he is always one leap ahead of me." This phrase conveys the idea that someone is always more advanced or has an advantage over another person.