bug fixes

src/components/exam/questionListItem.vue

@@ -83,6 +83,9 @@ export default {
       const questionType = parseInt(this.question.question_type)
       const { answer_count: answerCount = 0 } = this.data
       if ([5, 7, 8].includes(questionType)) {
+        if (answerCount >= 2) {
+          return 2
+        }
         return answerCount || 3
       } else {
         return questionType