And what shall we do if the meetings ends after ten? I’d rather you __________ alone through the park at night

And what shall we do if the meetings ends after ten? I’d rather you __________ alone through the park at night.
A. 
didn’t walk
B. 
won’t walk
C. 
don’t walk
D. 
not walk
TẠI SAO LẠI CHỌN A Ạ !!!!!