How would you approach this passage/question?

GRE Verbal Problem Solving
1

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Here’s how I paraphrased the passage:

  • conclusion: something next to UA – it’s a planet
  • evidence: there are other big stuff next to UA

Is this the right approach? What’s the best way to tackle this?

2

Hey, so here the first theory says that large planets cannot form near a star, so that means UA’s “friend” (the big thing) is not a planet. This leads them to think it must be a companion star. But the second theory says: only one companion is allowed for UA. The passage says that there are 2 other bodies, meaning its neither a companion nor a planet. This is the conclusion. The evidence is the two theories.

Now the problem here is that there are 3 large bodies around UA, one is so close that a planet would not have been formed. The key here is “formed.” That means it could be a planet, just that it could not have been formed there. So I think the answer is B but I can be wrong.