用低倍镜观察时，视野内所见的图像时“上”和“6”，那么载玻片上的图形是（     ）

A．“上”和“6”

B．“下”和“9”

C．“”和“9”

D．“”和“6”

—Don't forget _____ my parents when you are in Beijing.

—OK! I won't. [ ]

A. to see

B. sees

C. seeing

D. see