Question #N411

The new director of the local symphony, a renowned conductor, is a talented musician with a long history of working with orchestras. Before joining the symphony, he had led orchestras in several countries, but he is looking forward to the challenges of leading a new group of musicians in the United States.

Which choice best maintains the parallel structure of the sentences?
A. Before joining the symphony, he had led orchestras in several countries, but he is looking forward to the challenges of leading a new group of musicians in the United States.
B. Before joining the symphony, he had led orchestras in several countries, and is looking forward to the challenges of leading a new group of musicians in the United States.
C. Before joining the symphony, he had led orchestras in several countries, and he looks forward to the challenges of leading a new group of musicians in the United States.
D. Before joining the symphony, he had led orchestras in several countries, and he is looking forward to the challenges of leading a new group of musicians in the United States.