單項(xiàng)選擇題

如下程序classC1{C1(int);};classC2{C2(int);}classC:publicbase{C1att1;//C1isnotderivedfrombaseC2att2;//C2isnotderivedfrombasepublicC(int):att2(1),att1(2){…….}構(gòu)造函數(shù)的調(diào)用順序是:()

A.base->C->C2->C1
B.base->C1->C2->C
C.C1->C2->base->C

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