Through an executive order in 1947 ______ started the violation of the Bill of Rights and widespread persecution of Communists and progressive people.
A、President Truman
B、Senator McCarthy
C、General Marshall
D、George Kennan
【正确答案】：A
【题目解析】：1947年杜鲁门总统颁布行政法令，违反《权利法案》，大肆迫害共产党人和进步人士。
