We are to explain what smart cities meant from the author's perspective (point of view)
The correct answer is option D
The statement which best summarizes the author's perspective on smart cities is "Smart cities are most successful when they are developed to benefit the population".
- Smart cities are best when it is developed for the benefit of it's citizens. The major aim of smart cities should be for the benefits of the citizens.
- Smart cities can be said to have been achieved when it is beneficial to people living in it.
- Smart cities should help improve the quality of life citizens.
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brainly.com/question/23790804
The answer is cause and effect
IF I can sing well enough, I'll join the school chorus.
The IF implies that something is conditional i.e. it may happen, it may not happen (it depends on whether you can sing well enough!)
Hope this helps... :)