Respuesta :

b. would happen
"didn't" implies past tense, so it would be "would" instead of "will," and C and D sound grammatically wrong coming after "what"

The correct statement here is "If we didn't write a report,what would happen?

The above question, is about correct statement in English , how the verb and the noun agree with each other.

Therefore, option C is correct because, what would happen is correct way to ask a question in this case.

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https://brainly.com/question/2353198