If you get an error message when you try to save your question, there are a many possible reasons. One reason is that you have accidentally deleted or added an html open or close tag or a quotation mark. The studio html editor color codes your html, with regular html showing as green, modifiers shown as blue, and modifier options shown as red.
<choice correct="true">A. Style of dress <choicehint selected="true">A. Correct. This is an example of a cultural element.</choicehint>
If you forget a quotation mark or an html tag, the colors will look different and turn bright red.
<choice correct="true>A. Style of dress <choicehint selected="true">A. Correct. This is an example of a cultural element.</choicehint>
Error message which may mean that your html is incorrect:
For instance, this is a missing closing html tag:
temperature of 100.4 degrees F (38.0 C).</p><pFHR of 145</p>
If you close the opening paragraph tag, it will look like this:
temperature of 100.4 degrees F (38.0 C).</p><p>FHR of 145</p>
To learn more about html, see the following resources: