单项选择题
A.15.6% B.15.9% C.16.5% D.22.0%
A.200×(P/F,10%,2)+200×(P/F,10%,3)+200×(P/F,10%,4)+200×(P/F,10%,5) B.200×[(P/A,10%,6)-(P/A,10%,2)] C.200×[(P/A,10%,3)+1]×(P/F,10%,2) D.200×[(F/A,10%,5)-1]×(P/F,10%,6)