The first one answer is the correct answer
Um I think you swapped B and C around but it would be COMPONENTS OF A HOUSE. A house has many things in it and need to have certain things in it to stand up. Like in some cases there needs to be support. In others it can support itself.
Part A : Binge-watching may improve relationships.
Part B: It is effective because the author provides several examples of how binge-watching increases social connections, and refers to outside sources.
You welcome.
It would be B.) had suggested. All past perfect forms begin with "had".
