Only when you stay with _____ local people for a period of time will you have _____ better understanding

of life here. [ ]

A. a; 不填

B. the; a

C. 不填; the

D. the; the

临床情景：患者，男性，82岁，诊断为脑梗死，现呼吸困难，需做血气分析。要求：请为患者（医学模拟人）行股动脉穿刺采血。考试时间：11分钟