问题详情

The two major political parties in U.S.A.are ______, whose symbol is Donkey, and ______, whose symbol is Elephant.

A．the Republican Party, the Conservative Party

B．the Democratic Party, the Republican Party

C．the Labor Party, New Democratic Party

D．the National Party, the Liberal Party

请帮忙给出正确答案和分析，谢谢！