Nothing is underlined so I can't help you, please comment what is underlined so I can help :)
Explanation:
School uniforms are full of more disadvantages than advantages in my opinion. School uniforms stop freedom of expression. They are also very uncomfortable to many who wear them. Many families can also not afford them. Keep schools diverse and unique by not wearing school uniforms.
Answer:
I would say A.
Explanation:
It IS one of the longest sentences, but that is not the point.
I would say it's too broad because there will probably have to be more details than just this sentence, for example.
''Processed foods can cause health issues for people with weak immune systems, or people with diabetes. They can cause high blood pressure, or high cholesterol.''
Hope this helps.