Sentence Correction (SC) | Re: Marconis conception of the radio was as a substitute for the telephon

This is another question that’s at the top of my list of the most unsatisfying official GMAT SC questions ever produced.

I’ll be honest: my first instinct is to eliminate the correct answer because of pronoun ambiguity, but that’s a bad idea: pronoun ambiguity is not an absolute rule on the GMAT (more on that in thisvideo ), and there are far worse errors in the other answer choices.

And that’s classic GMAT right there: there aren’t a ton of absolute RULES that ALWAYS
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