The answer is 'd' ,but the complete indirect object is 'her parents' not just 'parents'
The indirect object always answers the question 'who'.
Carol sent who? The answer is 'her parents' which is the indirect object.
Um maybe a roleplay game like um sims where u can design a character to look like u and make homes and stuff
If you've actually read the short story, you'll notice that when The Misfit starts to explain his father's death that tension levels are raised up.