问题
                    
Susan wanted to be independent of her parents. She tried ______alone, but she didn’t like it and moved back home.
                            A:;living;
B:;to;live;
C:;to;be;living;
D:;having;lived
                        
                        B:;to;live;
C:;to;be;living;
D:;having;lived
正确答案是:
                        