The answer is "B." This is a an adjective describing a condition or a state of being.
This is a word describing something bad that is being or has been experienced to the maximum degree. It also describes a situation or condition that is extremely unpleasant and degrading.
In this sentence, the word "abject" is the best choice because it is giving a candid description of something or a situation or a condition that is bad, unpleasant and degrading. This bad condition or situation is poverty.
Your answer should be Nourishing
i'm no 100% sure
The correct answer is the third option: to show similarities and differences between the Great Wall of China and the Great Firewall. To compare is to examine how things are<em> similar</em>, whereas to contrast is to see how they are <em>different</em>. Consequently, if the author chose to use a compare-and-contrast structure, he did so to look at the similarities of two (or more) objects, in this case the Great Wall of China and the Great Firewall, and their differences.