<span>D. interrogative, question mark</span>
<span>The correct answer should be A. Investing in stocks. That's basically why the great depression happened in the first place. People were investing into stocks more and more but the companies were not doing so well so they couldn't return the money to investors. This lead to the whole stock market crashing and this in turn destroyed the banks and banks had to pull themselves out so they pulled the regular people in and the whole economic system collapsed.</span>
C. Pongas ... it's referred to you it ends in s because it's referring to " tu " ( informal way ) and not " usted " ( formal way )
