What instruments are used in the Piano Concerto by Delius?

A. Solo piano, 3 flutes, 2 oboes, English horn, 2 clarinets, 2 bassoons, 4 horns, 2 trumpets, 3 trombones, tuba, timpani, percussion and strings
B. Solo piano, harpsichord, 2 violins, and cello
C. Solo piano, 3 flutes, 2 oboes, English horn, and strings
D. Solo piano, 3 flutes, 2 oboes, English horn, 2 clarinets, 2 bassoons, and percussion
Answer: 