— I'm afraid they may not agree with you.

— I don't care whatever they'll say. I've made my decision and I'm going to____ it. [      ]

A. carry out      

B. keep up      

C. insist on      

D. stick to

燃气涡轮发动机EGT裕度是（）参数.

A.重要的监视

B.故障诊断用

C.代表性能衰退的

D.代表喘振发生