With the exception of option A, all sentences are written in imperatives (verb structure used for instructions and/or oders) Therefore, in these examples, the <em>call to action</em> is explicit, not implicit. Your best answer is option A because, apart from the fact that it's the only viable one, here you have a persuasive example by consensus. Simply put, instead of telling you directly to do something, it's telling you that everyone is doing it, which is likely to make you want to do it if you want to be like them.
A conflict is a decision you are having trouble making. Internal conflict is a conflict that you are having with yourself, internally- or in your head.
<span>"And it would be so easy to kill him. He deserves it. Or does he? No!"
</span>Would be your answer, in this case.
