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单项选择题

下面代码的输出是什么?()
function checkAge(data) {
    if (data === { age: 18 }) {
        console.log("You are an adult!");
    } else if (data == { age: 18 }) {
        console.log("You are still an adult.");
    } else {
        console.log(`Hmm.. You don't have an age I guess`);
    }
}
checkAge({ age: 18 });

A.You are anadult!
B.You are still an adult.
C.Hmm..You don’t have an age I guess

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