The answer is B, The relative pronoun is that; it functions as part of the adverb clause.
Answer:
The marriage was considered especially ignominious since she was of royal descent
Explanation:
ignominious - deserving or causing public shame
D, as extrinsic means external stimulus. Andrew may not necessarily enjoy doing extra math problems, but there is an incentive, which is good grades. With the other 3 people, there is no incentive other than enjoyment.
