GMAT Sentence Correction (SC) | Re: This information is potentially harmful to the company and

I don't think this is a very good question. I agree with between being used for 2 people and among for 3+, but a group can be 2 OR 3 people. who says a group is 3+ people?

for instance, if my friend and I register for a boat ride we are considered a small group.

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