20÷3.7的商用循环小数表示是请选择ABCD;G+O/N)x/s9F(r(^:W*[-B+{;Z7X6~9h9R9Z-|)k4y9l
A．5.4^0^-B+{;Z7X6~9h9R9Z-|)k4y9l
B．5.4^0^5^-B+{;Z7X6~9h9R9Z-|)k4y9l
C．5.4^05^-B+{;Z7X6~9h9R9Z-|)k4y9l
D．5.405^-B+{;Z7X6~9h9R9Z-|)k4y9l