CSC V1 Chapter9

Jack is an Investment Advisor who has decided to short shares within his own account. How should the order be marked? (CChESETQY)

A. “Short”
B. “S” and “ PRO”
C. “S”
D. “PRO” and “EMP”
这里的s是指short吗？ pro是和nc,emp一样指的除了client以外的人吗？