请选择CBA8O2O8}5[0I,\'\6{We like this zebra, because this zebra is_________ than that one.,e8b.{.Z2J)C0d.o:`7@9W3z*Y
A. big,e8b.{.Z2J)C0d.o:`7@9W3z*Y
B. bigger,e8b.{.Z2J)C0d.o:`7@9W3z*Y
C. biger,e8b.{.Z2J)C0d.o:`7@9W3z*Y