GMAT Verbal Section | As the etched lines on computer memory chips have become

As the etched lines on computer memory chips have become thinner andthe chips’ circuits more complex, both the power of the chips and the electronic devices they drive have vastly increased.(GMAT Prep)



1) the chips’ circuits more complex, both the power of the chips and the electronic devices they drive have
2) the chips’ circuits more complex, the power of both the chips and the electronic devices they drive has
3) the chips’ circuits are more complex, both the power of the
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