Pairing Strategy Doesn't Work in this SE Q?

GRE Verbal Problem Solving
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Screen Shot 2023-05-09 at 2.23.20 PM
Screen Shot 2023-05-09 at 2.23.20 PM1576×474 94.7 KB

I wanted to confirm that the pairing strategy doesn’t work in this case right - we have to just use math strategy?

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Looks that way to me