Which one uses parallel construction in the subpoints?

1. Traveling through Europe

2. Earning a degree

3. To start my own business

B. Goals

1. Building my own log cabin in Vermont

2. I want to visit every major league baseball stadium

3. Inventing something useful

C. Goals

1. To do more volunteer work

2. To read a book every month

3. To learn how to play an instrument

D. Goals

1. I want to keep my room neat.

2. I plan to save enough money for a car.

3. To pay off all my credit card bills