马戏团的小丑有红、黄、蓝三顶帽子和黑、白两双鞋,他每次演出时都要戴一顶帽子,穿一双鞋。小丑的帽子和鞋共有多少种搭配方法?请选择ABCD1B2[9t5F1r(b-S7S0s8E(o)I3L
A.9(b-S7S0s8E(o)I3L
B.6(b-S7S0s8E(o)I3L
C.3(b-S7S0s8E(o)I3L
D.15(b-S7S0s8E(o)I3L