下列交际语言，最为得体的一项是 (　　)

Tell your mother not to make a call while driving and her car missed a cyclist when she was on the way to work the other day.

In the near future, more advances in the robot technology by scientists

Only after the woman had her own child _______ how difficult it was to be a mother.

Let’s go shopping， Lily ! Have you finished your homework________—No， not _________.