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.
She was running towards the area someone would get off, so, one could only assume that she is excited to meet them. If she was angry or upset at them, why would she be running so eagerly to them?