Which ONE of these statements about the events surrounding "Watergate" is true?

a) Nixon lied about having knowledge of the break-in to the
Democratic National Headquarters.
b) The purpose of the break-in was to gather information about the Republican party.
c) Nixon refused to resign as president after the evidence was uncovered against him.

a) Nixon lied about having knowledge of the break-in to the Democratic National Headquarters is the true statement about the events surrounding "Watergate."