孙中山指导辛亥革命的思想核心是( )
A:推翻帝国主义在中国的殖民统治
B:推翻满清政府,建立以汉族为主体的民族国家
C:推翻封建君主专制,建立资产阶级民主共和国
D:核定全国地价,解决土地问题
________ my father _______ my mother is able to drive a car. However, they are going to buy one.