Answer:
It's difficult to read with the spacing but, I'm pretty sure the first sentence has the strongest verbs and nouns.
Explanation:
The answer is either A or C, but I would choose A.
Conjunctive adverbs are not strong enough<span> to join independent clauses without supporting punctuation. Use a </span>comma<span> if a conjunction </span>such<span> as and, but, or, or so appears between the conjunctive adverb and the </span>first<span> clause.</span>
"Collecting" is the only verb used as a noun.
A. a direct conversation between two or more characters