5、下列词语中的加点字，读音全部相同的一项是（    ）

A.曲解                        曲尺                            曲折                            曲艺                    

B.着火                         着迷                            着笔                            着凉

C.丧命                        丧偶                            丧志                            丧葬

D.落脚                         落座                            落魄                            落榜