People believe that the China Dream is not very difficult so long as the whole nation works hard for it.
A. realizing
B. to be realizing
C. realized
D. to realize
网友回答
A. realizing
B. to be realizing
C. realized
(答案→)D. to realize
解析：D 考察非谓语动词。句义：人们认为只要全民族全体努力，中国梦不难实现。这是“名词/代词+be+形容词+不定式”的结构，在此结构中不定式要使用主动形式表示被动含义。