Given the question: Write a multi-choice question for the following article: Article: Today Mike is playing near a river. Suddenly, his knife goes into the water. He likes the knife very much. Now it's lost. So he is very _ . Then an old woman comes up and asks Mike what is wrong."I lost my knife." He says. The old woman gives him a gold knife and asks "Is it your knife?" "No," says the boy. The old woman gives him a silver knife and asks again " And this one?" "No," says the boy. Then she gives him an iron knife."Yes, that's mine." Calls out the happy boy. The old woman says, "No, take the gold and silver knife. You are a good boy."
The answer is:
Question: _ knife is Mike's.Options:A The goldB The silverC The ironD The oldAnswer:C