Answer Happy

In the master patient index, which is filed by last name, Jill Thomas-Jones would be

A. J-I-L-L-T-H-O-M-A-S-J-O-N-E-S
B. T-H-O-M-A-S,J-I-L-L-J-O-N-E-S
C. T-H-O-M-A-S-J-O-N-E-S,J-I-L-L
D. J-O-N-E-S,J-I-L-L-T-HJ-O-M-A-S