把20克糖溶于100克水中,糖和糖水的比是 请选择ABC'A;K,~*g5\0r7q;e'Q0K0~9?5_3_/K2N0O3?-I,s,X'G1U3D0S)f;s
A.1:59?5_3_/K2N0O3?-I,s,X'G1U3D0S)f;s
B.1:69?5_3_/K2N0O3?-I,s,X'G1U3D0S)f;s
C.4:59?5_3_/K2N0O3?-I,s,X'G1U3D0S)f;s