3. Our province stipulates: The junior high school mathematics competition is held on the last Sunday of November each year. Therefore, the date of the junior high school mathematics competition in 2008 is ( ).
(A) November 26
(B) November 27
(C) November 29
(D) November 30
3. D.
November 25, 2007, was a Sunday, 2008 is a leap year, from November 25, 2007, to November 25, 2008, there are 366 days, 366 divided by 7 leaves a remainder of 2, meaning November 25, 2008, is a Tuesday, so November 30, 2008, is the last Sunday of November.