In this task, you're given four sentences of a story written in natural language. The given story is not complete and your job is to complete the story by selecting one of the sentence choices from (A) and (B), such that the story sounds fully coherent.
One example: Sentence1: Rick grew up in a troubled household. Sentence2: He never found good support in family, and turned to gangs. Sentence3: It wasn't long before Rick got shot in a robbery. Sentence4: The incident caused him to turn a new leaf. 
 (A) He is happy now. (B) He joined a gang.
Solution is here: A
Explanation: As mentioned in fourth sentence, the incident turned a new leaf to Rick's life; so, he must be happy now.

Now, solve this: Sentence1: Kim had been working extra hard for weeks. Sentence2: She learned of a promotion up for grabs at her company. Sentence3: It came with a new office and great benefits. Sentence4: Finally all her work paid off and she was offered the promotion. 
 (A) She was happy to get the promotion. (B) She was sad to get the promotion.
Solution:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
A