The correct answer would be B.
The correct answer is:
What would happen if love didn’t die?
An independent clause is a clause that can stand alone as a sentence. When you read the sentence "what would happen if love didn’t die? you could use it as a sentence by itself, doesn't need any complement to make sense. On the other hand, the sentence "If the poem is about going mad when love is lost," is the dependent clause, because it needs a complementary sentence to complete the idea.
One of them is Ohio department of education. There are a lot more state testings this following week and present week.