— 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

（）是一种用于限定提问关键词在数据库记录中出现的区域，控制检索结果的相关性，提高检索效果的检索方法

A.字段检索

B.截词检索

C.位置检索

D.逻辑检索