Question #N753

The team's success in the competition, which was marked by a last-minute goal, showed that they had worked hard in practice.

Which choice provides the best way to join the two sentences in the passage?
A. The team's success in the competition, which was marked by a last-minute goal, showed that they had worked hard in practice,
B. The team's success in the competition, which was marked by a last-minute goal, showed that they had worked hard in practice;
C. The team's success in the competition, which was marked by a last-minute goal, showed that they had worked hard in practice,
D. The team's success in the competition, which was marked by a last-minute goal; showed that they had worked hard in practice.