词句理解。;I(y2r,L,]
“桂林山水甲天下”,“甲”的意思是请选择CBA5o4M:p;I(y2r,L,]
A.第一名。;I(y2r,L,]
B.居第一位。;I(y2r,L,]
C.手指和脚趾上的角质硬壳。;I(y2r,L,]