The Watergate scandal began when:
A. Men connected to the Democratic National Committee broke into President Nixon's campaign headquarters and stole campaign documents.
B. Men connected to President Nixon's reelection campaign broke into the Democratic National Committee headquarters, and Nixon and his advisers tried to cover it up.
C. President Nixon recorded conversations that took place in the Oval Office to cover up crimes committed by his campaign.
D. President Nixon broke into the Democratic National Committee headquarters to plant listening devices to spy on the Democratic presidential campaign.