What did president kennedy mean when he said to americans, "ask not what your country can do for you, ask what you can do for your country"?

a.
don't go to the government for if you need it; take care of problems yourself or ask your family.

b.
if you need finding ways to make this country better, write to the president for suggestions.

c.
if you are dissatisfied with the way things are here, you should move to another country.

d.
don't expect the government to do it all; figure out what you can do on your own to improve things.