force display the prompt and don't let it be hidden when the question changes

common/lib/xmodule/xmodule/js/src/combinedopenended/display.coffee

@@ -152,10 +152,13 @@ class @CombinedOpenEnded
 
     @out_of_sync_message = 'The problem state got out of sync.  Try reloading the page.'
 
-    if @task_number>1
-      @prompt_hide()
-    else if @task_number==1 and @child_state!='initial'
-      @prompt_hide()
+#   force show the prompt
+    @prompt_show()
+
+#    if @task_number>1
+#      @prompt_hide()
+#    else if @task_number==1 and @child_state!='initial'
+#      @prompt_hide()
 
     @find_assessment_elements()
     @find_hint_elements()