The best answer is D. You argue why your belief is true.
<span>The sentence below contains a broad pronoun reference:
When you have written a paper, go back and revise it. This will result in a more effective presentation.
This is because the sentence states a cause and effect of the activity being described.</span>
Is it ethical for multinationals (with billions recorded on their income statements) to take advantage of people who are not well enough informed to avoid purchases that are not good ones for them? It is (or is not) ethical at all.