The plane crash  ____ him so much that he immediately changed his _____ and decided to go by train.[ ]

A. cheered ;  way                                    

B. benefited ;decision

C. terrified; mind                      

D. disappointed; stage

出口贸易是我国引进技术和利用外资的物质基础，制约着我国现代化建设的规模和进程。