How Many of the Pairs Listed Below Are Exact Duplicates

Multiple Choice

How many of the pairs listed below are exact duplicates?
A.J. Finestine - A.J. Finestine
B.D. Lippernine - B.D. Lipernine
S.E. Demarco - S.E. Demarco
W.I. Granbino - W.I. Grambimo
P.Q. Wippensick - P.Q. Wippensick

A) 1
B) 2
C) 3
D) 4
E) 5