问题
                    
14. His careless driving _________ the traffic accident. That is, the traffic accident was ______ his careless driving.
                            A:resulted in / due to
B:led to / thanks to
C:resulted from / because
D:contributed to / as a result
                        
                        B:led to / thanks to
C:resulted from / because
D:contributed to / as a result
正确答案是:
                        