27．The small town_____ we spent our holiday last month lies in_____ we think is now part of Chengdu.

A．where; that

B．which; that

C．that; where

D．where; what

前商务部版条法司巡视员郭京毅被北京市检察院批准逮捕，其被指控涉嫌受贿罪。上述材料体现了

A．民主集中制原则　　　　　　

B．权利和义务相统一原则

C．公民在法律面前一律平等的原则　　　

D．个人利益与国家利益相结合的原则