南美洲被称为“世界人种大熔炉”,关于南美洲人种的叙述正确的是( )
A:白色人种来自亚洲东部
B:土著居民印第安人是黑色人种
C:黄色人种来自欧洲西部
D:混血人种数量众多
Live or not, a famous American actor, was always expecting ______ an Oscar and finally he made it.