A Pocket Veto Differs from a Regular Presidential Veto,in That

A pocket veto differs from a regular presidential veto,in that the pocket veto

A) applies only to a section of the legislation in question.
B) applies only to expenditure legislation.
C) occurs when the president decides to veto a bill he had previously signed.
D) can take effect only when the Congress is not in session.
E) occurs when the president goes before Congress to announce a veto.