B. Free college education for all would result in a more productive society.
The relation between education and being a society a productive one can be a hot topic to debate on. However, whether free education would result in better results too is a great topic of discussion and debate.
C. Hybrid cars were developed to be environmentally friendly.
Although Hybrid cars do not emit greenhouse gases much in the air while they get manufactured, they emit a lot of harmful gases. This can be a topic full of arguments for and against the topic.
I think you should break the paragraph down and the one you think you really need maybe try to expire
Answer:
"the author would use informal syntax because the sentence structure will sound like a close friend." is your answer.
Explanation:
this is because they want to appear sociable and friendly to their reader.
Understand because uses the words what kind