Sub-questions are narrower questions. They are important because they provide the 'skeleton' around which you will find information to answer your main research question.
it would be complex sentance
<em><u>sorry</u></em><em><u> </u></em><em><u>I don't</u></em><em><u> </u></em><em><u>know </u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>
<em><u>and </u></em><em><u>pls </u></em><em><u /></em>
Answer:
C) Exception is the correct answer :)