Sacco and Vanzatti were sentenced to death and executed because

Sacco and Vanzatti were sentenced to death and executed because ________.
A、of their radical political ideas
B、they were guilty of killing town people
C、they were members of KKK
D、they stole $16,000.
【正确答案】：A
【题目解析】：根据课本P210可知，萨科和凡扎蒂因其激进的政治思想而被判处死刑并被执行。