The Following Sentences Form a Paragraph

Multiple Choice

The following sentences form a paragraph. Select the sentence that is correct and does not contain run-on sentences or comma splices.  ​

A) To Aaron, existing comics did not capture racial diversity in a real way, so he wanted to expand racial dialogue by using humor.
B) To Aaron, existing comics did not capture racial diversity in a real way, he  wanted to expand racial dialogue by using humor.