The author suggests that the final movements of symphonies by Mozart and Beethoven might be played more slowly by today's orchestras if which one of the following were to occur? A. Orchestras were to use instruments no more advanced in design than those used by orchestras at the time Mozart and Beethoven composed their symphonies. B. Audiences were to return to the custom of applauding at the end of each movement of a symphony. C. Audiences were to reserve their most enthusiastic applause for the most brilliantly played finales. D. Conductors were to return to the practice of playing the chords on an orchestral piano to keep the orchestra together. E. Conductors were to conduct the symphonies in the manner in which Beethoven and Mozart had conducted them.