Which of these best states the main idea of this passage?

"Did you know that the roller skate has been around since the early 1700s? People who loved winter ice-skating wanted to go "dry-landing skating" in the summer, and so they attached wheels to their boots. The early models were hard to roll, though. In the late 1800s, roller-skate design improved. Once the skates were easier to handle, the sport became more popular."

A. People liked ice-skating in the winter
B. Many people wanted to skate in the summer.
C. Roller-skating has become a popular sport over time
D. Early roller skates were difficult to use.

Which is the right answer?

help me ;-;