Divided Government Is Common in Presidential Systems

Divided government is common in presidential systems. After the 2012 election in the United States:

A) Democrats controlled the presidency and the Senate, but not the House
B) Democrats controlled the Senate and the House, but not the presidency
C) Democrats controlled the Senate, but not the House or the presidency
D) Republicans controlled the Senate and a majority of the state legislatures
E) Republicans controlled the House and the Senate, but not the presidency