A.=50%和=5/l00 B.=50%和=50/l00 C.="50%"和="50/l00" D.="50%"和=50/l00
A.1 B.2 C.3 D.4
A.A$1+$B1+C1+$D$1 B.B$2+$B2+D2+$D$2 C.B$1+$B2+D2+$D$1 D.A$1+$B2+C2+$D$1