问题
                    
Li Hua is taller than _________in our class.
                            A:an-one-year-old
B:a one-year-old
C:an one-year old
D:a one-year old;
                        
                        B:a one-year-old
C:an one-year old
D:a one-year old;
正确答案是:
                        