问题
                    
I have never been to London, but it is the place ________.
                            A:where I would like to visit;
B:I most want to visit
C:in which I want to visit;
D:that I want to visit it most;
                        
                        B:I most want to visit
C:in which I want to visit;
D:that I want to visit it most;
正确答案是:
                        