good

src/Quiz.css

@@ -20,3 +20,4 @@
     height: 30px;
     font-family: Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif;
 }
+

src/Quiz.js

@@ -37,7 +37,7 @@ class Quiz extends React.Component {
             if (answers[i].checked) {
                 // checked_index = i;
                 checked_value = answers[i].value;
-                localStorage.setItem('answer-' + i, checked_value)
+                localStorage.setItem(this.state.i+'번문제 답' + checked_value, checked_value)
             }
         }
     }
@@ -76,7 +76,7 @@ class Quiz extends React.Component {
                 <div>
                 {this.state.Choose.map((a) =>
                     <div>{this.state.N}
-                        <input type="radio" name='answer'  id={'anwer'+a} value={a} /*ref={this.textInput}  input 네임을 문제단위로 바꾸어주어야 함. */ />
+                        <input type="radio" name='answer'  id={a} value={a} /*ref={this.textInput}  input 네임을 문제단위로 바꾸어주어야 함. */ />
                         <label for={a}>{a}</label>
                     </div>)