Respuesta :
The word choice which can be best used to complete the sentence is:
- B. Financial burden.
Based on the given question, there is the narration about the buying of a house by a family with a huge sum of money and because of this, there is a financial burden on them to work hard and repay the bank.
The other options are incorrect because they have financial obligations to the bank to pay their mortgage.
Therefore, the correct answer is option B
Read more about financial burden here:
https://brainly.com/question/4953989