Answer: Empty love!
Explanation:
This is characterized by commitment without passion or intimacy.
Most times, string love deterioriates into empty love. So they sill no longer have what they use to have, it would just become a distant memory.
Thinking about Grendel, I think 'A' is most likely.
C.) p<span>olio is a contagious *disease* that has mostly been eradicated.</span>