I was born in New Orleans, Louisiana, a city ________ name will create a picture of beautiful trees

and green grass in our mind. [    ]

A. which  

B. of which

C. that  

D. whose

BIS值在（）表明患者意识消失进入麻醉状态

右心室射血分数的正常值范围为（）

混合静脉血氧饱和度（SVO₂）提示氧供正常、组织灌注满意（）

A.20%～30%

B.40%～60%

C.60%～80%

D.70%～75%

E.80%～90%