Robert Lee Frost was the Pulitzer winner on （ ）occasions; the Un

Robert Lee Frost was the Pulitzer winner on （ ）occasions; the United States Senate passed resolutions honoring his birthday.
A、3
B、4
C、2
D、5
【正确答案】：B
【题目解析】：罗伯特·弗罗斯特获得过4次普利策奖，并且美国参议院通过决议纪念他的生日。