A. You are a graceful dancer.
Knows little. 2 and 3 are both presuming too much, as it's the writer's duty to get them interested and informed. 4 basically doesn't matter, and furthermore may not even apply in many forms of writing. 1 is the best answer, as writing for general audiences is intended to inform and expand the horizons of the reader.
Answer:
-Privacy issues between children and parents
-Should preventive immunization be optional?
-Do animal rights work in reality?
-Should children be allowed to use gadgets?
-Should beauty contests be banned?
-Are school uniforms beneficial?
-Is global climate change caused by humans?
-Is the death penalty effective?
-Is our election process fair?
those are just some ideas :)