Question

Choose the correct answer. They were never able to afford a house of their own no matter how much they tried to save money, … ? A) did they B) weren’t they C) were theyD) didn’t they​

Answer 1

They were never able to afford a house of their own no matter how much they tried to save money, were they?

Answer 2

The correct answer is D) didn't they.

The complete sentence would be: "They were never able to afford a house of their own no matter how much they tried to save money, didn't they?" This structure is an example of a tag question, which is a short question added at the end of a statement. In this case, it's used to confirm or seek agreement with the statement that precedes it.