Which of the Following Events Was Not Part of the Watergate

Which of the following events was not part of the Watergate scandal?

A) Several men were arrested for breaking into the Democratic National Committee's headquarters in the Watergate office complex in Washington,D.C.
B) President Nixon and his aides conspired to conceal the fact that the burglars were employees of the Committee to Reelect the President.
C) President Nixon resigned after he was impeached by the House of Representatives but before the Senate could conduct a trial.
D) President Nixon appointed Gerald R.Ford vice president under the provisions of the Twenty-fifth Amendment.Ford became president when Nixon left office before the end of his second term.
E) President Ford subsequently pardoned Nixon of any criminal offenses he may have committed during the Watergate affair.