单项选择题
A.*pw.year=1980; B.year=1980; C.pw->year=1980; D.s.year=1980;
A.1001,zhangDa,1098.0 B.1002,ChangRong,1202.0 C.1001,ChangRong,10980 D.1002,zhangDa,1202.0
A.data2=datal; B.data2=(2,6); C.data2.real=datal.real; D.data2.real=datal.unreal;