<span>D.It has one subject and one verb.
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The continent that has the most existing desert is actually Antartica. <span>Scientists that work in </span>Antarctica<span> mostly refer to the majority of the continent as being cold</span>desert<span> or polar </span>desert<span>.</span>
Walls' father, Rex, was a charming, intelligent alcoholic who was also likely suffering from an undiagnosed bipolar disorder; her mother Mary Rose is a self-described “excitement addict” who often neglected her children to focus on her painting.
Assuming that the bolded word is winner, the correct answer is object complement.
The word winner refers to the word <em>play - </em>and given that the word play is the direct object of this sentence, then the word <em>winner </em>will be its complement - it will complete it, and answer the question What did the critics declare the play to be?
It cannot be a predicate nominative because it is not preceded by a verb. It cannot be a direct object because that is <em>the play. </em>It cannot be a predicate adjective because it is a noun, not an adjective.
