There is no doubt________ a country should always place great im

There is no doubt________ a country should always place great importance on education.
A、when
B、whether
C、why
D、that
【正确答案】：D
【题目解析】：There is no doubt that…是固定搭配，意思是“毫无疑问的是……”。原句的意思是“毫无疑问，每个国家都应该重视教育”。