Public and private colleges and universities and community colleges offer ______.
A、"continuing education" programs of associate degrees
B、graduate studies professional training
C、professional training
D、All of the above
【正确答案】：D
【题目解析】：公立和私立学院、大学和社区学院都提供专科学位、研究生专业培训、专业培训等“继续教育”项目。
