The writer is considering adding the following sentence after sentence 6. In fact, some research shows that there are indeed positive effects.
A
Yes, because it provides commentary that helps explain why the evidence in sentence 7 is relevant to the central argument.B
Yes, because it signals a continuation of the main claim that the writer argued in the previous paragraph.C
Yes, because it provides an observation that counters the evidence the writer provides in sentence 7.D
No, because it alludes to evidence without contextualizing it in relation to the central claim the writer makes in the paragraph.