The word "get-off" (Line 2, Para. 3) could be replaced by ______.

A．Jazz musicians emphasize the rhythm during all the musical phrases.
B．Jazz musicians strive for an individual style of which the other musicians don't think much.
C．Jazz is the most popular music in America in the twenties.
D．As multi-chorus solos became popular, more ways of playing jazz turned up.

A．Jazz musicians specialize in solo.
B．Jazz bands have featured soloists.
C．Jazz is very hot and rough.
D．Jazz musicians often paraphrase solo according to their feelings.