44. The three most distinguished musical instruments ever invented are the violin, the piano, and the pipe organ. Of these, the violin still remains the instrument of the great masters. _________ It is the instrument of the accomplished musician. (A) No method of playing it has yet been recovered except by the slow and tedious process of learning it. (B) No method of playing it has yet been developed except by the slow and tedious process of learning it. (C) Neither method nor technique has yet been recovered except by the slow and tedious process of learning it. (D) Either method or technique has yet been developed except by the slow and tedious process of learning it.