Increasing or increased in quality, degree, or force by successive additions.
I don't believe that any of these are run-on sentences. This is because they all possess some form of punctuation, which creates a small to moderate oause in the sentence, allowing for the person reading to breathe in between, and preventing a run-on sentence.
Answer:
The answer is B, it contains a simile.
Explanation:
The word "like" and comparing two ideas is what makes it a simile.