I know my sister *ate* my apple pie!
It is C. Compound sentence. This is because it is far from simple, and even thought it might seem as a run on sentence, it is not, as run on sentences are sentences connected with a comma, yet this one is connected with a semi-colon, which is a correct way of connecting sentences.
<span>The process that an author does to introduce the character in the story is called characterization. It is the revelation of the personality of the character.
Direct characterization is the way the author reveals how he/she wants the character to be portrayed, such as their traits in a direct and straightforward manner.</span>