GMAT Sentence Correction (SC) | Re: According to analysts, an alliance between three major

According to analysts, an alliance between three major personal computer companies and most of the nation’s largest local telephone companies would enable customers to receive Internet data over regular telephone lines with speeds much higher than is currently possible.

A. with speeds much higher thanis
Subject verb disagreement in 'speeds' and 'is'
B. with speeds that are much higher than are
with speeds is logically wrong in the telephone lines with speeds as the internet data does not has any
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