单项选择题

已知(P/F,10%,5)=0.6209,(F/P,10%,5)=1.6106,(P/A,10%,5)=3.7908,(F/A,10%,5)=6.1051,那么,偿债基金系数为()

A.1.6106
B.0.6209
C.0.2638
D.0.1638