“The real world is riddled with people who have never learned to carry their own skis…” What does this quote from “Carry Your Own Skis” mean?

A. A lot of people who go skiing don’t know how to carry their own skis.

B. A lot of people in the real world have never been skiing.

C. A lot of people have not learned to take responsibility for themselves.

D. A lot of people don’t like the cold-weather sports like skiing.