Which sentence could be added to the end of the introduction to strengthen it? a. in effect, the lack of communication skills affects relationships. b. throughout the world, internet use has increased dramatically. c. teenagers are also one of the top consumers of new products. d. however, these teenagers do not always use the internet wisely.

It could be 1, 2, or 4, depending on the context.1.) they could have had a fight, and she is too humble to say anything further. she wants robert to say something first.2.) maybe he's staring at a computer playing tetris while she's wearing a *really* tight red dress. just sayin' xd3.) is unlikely given that it's only one sentence worth of context long. 4.) it's possible their relationship is more 'mutual hatred' and they tolerate one another.it could be 1, 2, or 4, as long as you can provide sufficient explanation why. remember this as you write!