Hide a poor question

Author: QijieXue

learn-pr/wwl-language/csharp-basic-formatting/7-knowledge-check.yml

@@ -15,7 +15,7 @@ durationInMinutes: 3
 quiz:
   title: ""
   questions:
-  - content: "Which of the following escape sequences should be used to add double quotes to a literal string in C# code?"
+  - content: "Which of the following escape sequences should be used to add double quotes to a literal string in C# code?" 
     choices:
     - content: "'`\\q`'"
       isCorrect: false