Is this a noun clause?

Doing homework that wasnt fully gone over in class. Is this considered a noun clause?"In Germany, the interior design had been simple and quiet--and t

Doing homework that wasn't fully gone over in class. Is this considered a noun clause?
"In Germany, the interior design had been simple and quiet--and that is what I still prefer."

or:Doing homework that wasn't fully gone over in class. Is this considered a noun clause?\"In Germany, the interior design had been simple and quiet--and that is what I still prefer.\"

or:No, it is not.

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