The classroom with windows_____ north wants_______ badly, so we’d better move the students into the classroom next door.

A．facing; repaired

B．faces; repairing

C．faced; to be repaired

D．facing; repairing

递延期为m期，连续支付n期，每期支付A元，折现率为i的递延年金现值等于 ( )。

A．A×(P/A，i，n)×(P/F，i，m)
D．A×[(P/A，i，m+n)-(P/A，i，m)]
C．A×[(P/A，i，m+n)×(P/A，i，m)]
D．A×(F/A，i，n)×(P/F，i，m+n)