The sentence is not listed, but the word impending means something that is about to occur (synonyms include upcoming, coming, near, to come, on the way etc.)
Answer:
a. <u>didn't </u><u>use</u><u> </u><u>to</u><u> </u><u>have</u>
b. <u>used</u><u> </u><u>to</u>
c. <u>to</u><u> </u><u>go</u>
d. <u>like</u><u> </u><u>to</u>
e. <u>didn't </u><u>use</u><u> </u><u>to</u>
What do you need help on--?
C. Theme
The next closest is D. Plot, but since it's an 'idea', it's theme