The police asked whether he had reported the incident to the head office.
You have plagiarised
Plagiarism is presenting someone else's work or ideas as your own
COUNTER ARGUMENT: People are quite able of identifying the difference between a young child and an adult, so a uniform doesn't make a difference. They are also very boring.
RESPONSE: Some people are more developed in there younger years so appear more mature and older than they are. Yes uniform can be boring however it's there to keep you safe and not for your enjoyment.
I agree, the answer is a. The colon after attitude helps separate the cause and the explanation. All the other answers don't make sense because they didn't separate it properly.
