Which sentences are you talking about
-A noun clause<span> is a dependent </span>clause<span> that can be used in the same way as a </span>noun<span> or pronoun.
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The answer is *Which had undergone a complete makeover.* Adjective clauses identify the word it's modifying.
A. the end of the drafting process
But, of course, it is also up to preference. I think that it is just easier to write it at the end of the drafting process because your body paragraphs can help formulate it.
Can you give any options mentioned from this particular question? Or is that it?