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.
The intervention of the supernatural gives Gilgamesh hope that he will defeat Humbaba.
Of course I don't know a list to pick from but I would say pride, dignity, etc.
