Not in every aspect no but in some aspects yes if there are two answers then I would choose no it’s not
Most commonly "C", because they would want the reader to understand that something is different. Yes, they can change the style whenever they want to, but it would be more meaningful if they did it for a reason.
D. Dad
In this sentence, dad is being used as a name or proper noun. It needs to be capitalized.
The answer is man vs. society!!!
If he is very lucky, he doesn't get hurt, but usually they do. There have been people killed by ... as much as an issue as it use to be. So I guess you could also use detectors for life safety as well ...
I hope that helped
If this did not help you could just look it up