某银行贷款年利率5%，复利计息，每3个月计息一次，其贷款的有效年利率是（）
A.5%
B.5.09%
C.6.67%
D.7.45%
参考答案：B
—Where are Lucy and Lily?
—Oh , the two girls must _______ a game in the garden now.
A．play
B．are playing
C．played
D．be playing
480的正约数有______个．
