Which of the following best describes this sentence: If you were a member of Generation X, you would know the answer to the question about Madonna.

a. imperative mood
b. interrogative mood
c. subjunctive mood
d. indicative mood

d. indicative mood

please explain

The sentence is in the indicative mood because it is stating a fact or making a statement. It is not asking a question (interrogative mood), giving a command or request (imperative mood), or expressing a wish, possibility, or uncertainty (subjunctive mood). In this case, the sentence is simply stating that if someone were a member of Generation X, they would know the answer to the question about Madonna.