“You bet! I hope Jimmy has done half as well. He was a kind of plodder, though, good fellow as he was. I’ve had to compete with some of the sharpest wits going to get my pile. A man gets in a groove in New York. It takes the West to put a razor-edge on him.”

Based on this excerpt from "After Twenty Years," what does the term "razor-edge" most likely mean?

Question 3 options:

A.) clean shaven

B.) a knife-carrying criminal

C.) a culinary chef

D.) sharp & cunning