D is the answer Have a nice day
Letter A is the correct answer.
Economic vulnerability refers to the inability of people to get what they need due to their financial conditions. This situation is a good example of economic vulnerability because the subject only participates in the drug study because that's the only chance he/she will have to get the treatment he/she needs.
There are both ethical and political reasons for wanting to address the growing gap between rich and poor, according to experts ranging from economists and political scientists to social workers and activists.
