The sun's appearing to rise in the east is () the revolution of the earth on its axis from west to east.

单项选择题—You haven't been to Beijing, have you —(). And how I wish to go there again!

A．Yes, I have
B．Yes, I haven't
C．No, I have
D．No, I haven't

单项选择题______ she realized it was too late to go home.