Which of the following sentences illustrates correct usage of articles and conjunctions?

Which of the following sentences illustrates correct usage of articles and conjunctions?

A. Celine lives on Arthur Street; however, she works on Beatrice Boulevard.
B. I would eat a peach every day if I could, nor the doctor told me I couldn't.
C. Will Gertrude play the piano or an harp at the concert?
D. Although she is angry at them, neither her son and her father will be at the party.

Answer - A