OE from Kaplan is below. I don't like this question - neither C nor D option provides a meaningful explanation, both options could be equally strong criticized
Identify the Question Type:
The words "casts the most serious doubt on" tell us that this is a Weaken question. We need to predict a Weakener that disproves the central assumption.
Untangle the Stimulus:
To cast doubt on the argument's conclusion—that “the publicity campaign was responsible for Movie Tapes' video cassettes
...
Identify the Question Type:
The words "casts the most serious doubt on" tell us that this is a Weaken question. We need to predict a Weakener that disproves the central assumption.
Untangle the Stimulus:
To cast doubt on the argument's conclusion—that “the publicity campaign was responsible for Movie Tapes' video cassettes
...
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