The answer is: [D]: cause to become taken.
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Explanation: Given: "the suffix -ate means 'cause to become' ;
the remaining "root" of the word: "captivate"— is: "captiv-" ;
which is similar to: "captive".
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Since all answer choices given begin with: "cause to become"; it makes sense that "cause to become taken"—which is "Answer choice [D]"; is the most appropriate—and thus the correct—answer.
"captive".