问题
                    
________ of giant pandas is getting _________ because their living areas are becoming farmland.
                            A:The number, larger and larger
B:A number, larger and larger
C:The number, smaller and smaller
D:A number, smaller and smaller
                        
                        B:A number, larger and larger
C:The number, smaller and smaller
D:A number, smaller and smaller
正确答案是: