D I believe the answer is
The previous storyline would most likely fit into the genre romance and mystery.
B:the second one is the only one that specifies
I believe that the first sentence is properly punctuated. What is wrong with the second and third sentence is that there is no comma before the dialogue, and the "Some" in the second sentence should not be capitalized. A comma should always be used before dialogue, and the word should only be capitalized unless it's at the beginning of the sentence. In the third sentence, the "that" should not be included in the dialogue.
