Answer:
B. Quoting character dialogue
Explanation:
Most people do not speak using proper English, but a mix of regional slang and cultural references. If a character is quoted directly and accurately, it is fine to use the nonstandard written English.
I'm going to guess alliteration, sorry if i'm wrong
Billy Jo thinks that the sky is blue because the sun paints it each morning.
<em>Billy Jo thinks that the sky is blue</em>. This is the independent clause. It has meaning by itself.
..<em>because the sun paints it each morning</em>. This is the dependent clause. It does not have meaning by itself. It needs the independent clause. It gives extra information -reason- related to the information in the independent clause.