If the President Does Not Send a Bill Back to Congress

If the president does not send a bill back to Congress after ten congressional working days,

A) the bill becomes law without the president's signature.
B) Congress can force an override with a three-fourths vote in both chambers.
C) Congress can kill the bill with a pocket veto.
D) the president still has the opportunity to veto the bill with an executive order.
E) the bill becomes law against the wishes of Congress in what is called a pocket veto.