Zhengnengliang, or positive energy, a term used in the book Positive Energy by Richard Wiseman, has developed into a popular phrase in Chinese society where people approach life with optimism and confidence.
A. naturally
B. originally
C. roughly
D. constantly
网友回答
A. naturally
(答案→)B. originally
C. roughly
D. constantly
解析：句意:正能量这个词最初这个术语被理查德·威斯曼用在这本书《正能量》里，现在已经发展成在中国社会的流行的短语来形容社会上乐观和自信的人。Naturally自然地； originally 最初； roughly概略地； constantly不断地，时常地。根据句意故选B。