Answer:
D. All of the above
Explanation:
Let's go through the following answers and determine whether they are correct or incorrect.
A: Correct: The common definition of an orchestra is everything in this example.
B: Correct: Although not as specific as A, orchestras are traditionally directed by a conductor standing at the front of the group.
C: Correct: Western art music refers to classical music in this context, which is what orchestras mainly play.
D: Correct: All of the above answers fit the question.
E: Incorrect: This answer is irrelevant to the question.
Therefore, the most applicable answer is D.
