Which sentence has not used the semicolon correctly?
A. The motorcade moved on; it came to a bridge then slowed down, passed a road block further on, then went under a
bridge and turned right to the Town Hall.
B. Mary was worried; she had no money and she had to get home.
C. The dentist was up early. He had a lot of patients to treat, there were also many errands to do.
D. The streets of Rio were packed with traffic; it was the annual carnival.
E. The explorer surveyed the area; he wanted to see if the lake was visible.