Which verb agrees in number with its subject?

during that month, everyone a bouquet for mother's day.

a.
buy

b.
buys

c.
do buy

d.
have bought

i think the correct answer would be adjustments in life roles.  this causes for one to adjust or change totally his/her career or lifestyle since the present is not beneficial to the life role he is at. for instance, you became a mother you would of course stop going to malls and enjoying life outside. you would be staying at home taking care of your child.

did you ever figure it out?