-You haven't been to Rome, have you?

-_______. How I wish to go there!

A．No, I haven't

B．Yes, I have

C．No, I have

D．Yes, I haven't

可用于鉴别乙酸和乙醇的是

A．NaCl溶液

B．KNO₃溶液

C．Na₂CO₃溶液

D．紫色石蕊试液