The most popular food for foreigners __________ on any menu in Beijing is roast duck.   [ ]

A. include      

B. to include        

C. including        

D. included

奉行哪种策略者，往往只图满足自身目标和利益却无视他方的目标和利益，常常通过权力、地位、资源、信息等优势向对方施加压力，迫使对方退让、放弃或失败来解决冲突问题。（）

A、合作

B、回避

C、妥协

D、竞争