Although Candidates Bush and Kerry Both Rejected Public Money for Their

Although candidates Bush and Kerry both rejected public money for their nomination campaigns, they both accepted it for the general election. Why?

A) Because publicly provided funds are not inconsiderable.
B) Because the two party presidential candidates get lots of free publicity simply by being the standard bearer of one of the two major parties.
C) Because various state, local, and national party committees spend generously on the campaigns.
D) Because interest groups and advocacy organizations spend lavishly on independent parallel campaigns
E) all of the above