Read it and if it sounds like two sentences( two different things,topics) take it apart and/or rewrite it
You can consider several different opinions to be true when comparing the character traits of King Kong, because literature is not an exact study and multiple interpretations are equally valid. The correct option among all the options that are given in the question is the second option. I hope it helps you.
B) After seven years without contact, my old pen pal managed to track me down on the internet, and I was thrilled to hear from her.
Run-on sentences have two parts, each part should be able to stand alone in a sentence.