I say it is a because i had the same ? in 6th grade so I am really impressed I still really remember the answer
Answer:
A: Containers that hold items is receptacles
B: To walk in a sleep like condition is somnambulatory
C: an inhabitant cloudy, misty, or hazy is nebulous
D: an intricate structure of interconnecting passages is a labyrinth
E: shaped into fold or parallel is corrugated
F: prince or chief in India or east indies is a Raja
The way you formatted your question is a bit confusing, as there is 7 words and 6 definitions, but I hope this helps.
*The word denizen means "an inhabitant or occupant of a particular place" if you still need that
The correct answer is to provide a context clue for "over the moon."
So we know that the boy was over the moon, that he was very happy because of something that previously happened. Obviously, we want to know the reason why he was so over the moon, and by adding the information that his essay won first place, we got that context we were previously lacking.