html交互式选择题代码

1.以下哪个选项是合法的HTML标签？
A. p class="myclass">
    This is a paragraph./p class="myclass">
    
B. para>
    This is a paragraph./para>
    
C. i>
    This is a paragraph./i>
    
D. h1>
    This is a heading./h1>
答案：
  A
  B
  C
  D
  
function checkAnswer() {
      var answer = document.querySelector('input[name="answer"]:checked').value;
  if (answer == "D") {
        document.getElementById("result").innerHTML = "回答正确！";
  }
 else {
        document.getElementById("result").innerHTML = "回答错误。";
  }
}
    

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