Which sentence uses an adverb clause and is punctuated correctly?

nevermind for nothing
a. he promised he would give her his present when the christmas dance was over b. after the christmas dance he promised he would give her his present

c. it was not until the christmas dance was over that he would give her his gift.

Well based on the summary,   the setting plays a big role in char. development since the cat has been spoiled and babied her whole life she has to figure out how to survive on there own for the first time. and since winter is coming the cat is faced with lots of dangers and troubles. but, like you said with the storm that brought an invasion of rats, since she is   a cat shell figure out how to kill and get food and the storm is the best way to learn right. can you mark me brainliest pls! read more on -