单项选择题
设有定义: struct complex { int real,unreal;} data1={1,8},data2; 则以下赋值语句中错误的是()
A.data2=data1; B.data2=(2,6); C.data2.real=data1.real; D.data2.real=data1.unreal;
A.O B.1 C.4 D.8
A.6 B.10 C.11 D.15