小英把1000元按年利率2.45％存入银行。两年后计算她应得到的本金和利息，列式应是请选择CBA6M:K5B1~'L0a7Q1t(t6n0E5n'Q
A.1000×2.45％×21t(t6n0E5n'Q
B.（1000×2.45％+1000）×21t(t6n0E5n'Q
C.1000×2.45％×2+10001t(t6n0E5n'Q