A semicolon should be used to connect two related sentences. Each sentence on either side of the semicolon must be complete. Which of the following exhibits this?
a. Don likes to swim but; Donna hates it.
b. Don likes to run on ; Tuesday, Thursday, and at the gym.
c. Don likes football; Donna saw The Phantom of the Opera when she visited England in 2001.
d. Don runs every day; Donna runs once per week.