According to the Text,an Important Contributor to Gridlock These Days

According to the text,an important contributor to gridlock these days is ​

A) ​the fact that it is not clear that President Obama is willing to be a legislative partner.
B) competition between liberal and conservative ​Republicans takes attention away from passing legislation.
C) ​a desire to avoid creation of divided government.
D) ​that constant vitriol on cable TV, talk radio and in the blogosphere has poisoned the atmosphere to the point that members of Congress are unwilling to work with the White House.
E) ​Gridlock in government is actually not a problem.