GMAT Sentence Correction (SC) | Re: I arrived at the event early so that I could set close to the celeb

I arrived at the event early so that Icould set close to the celebrities and have a vantage point to sit up my camera to take good photos.

a) couldset close to the celebrities and have avantage point tosit up my camera to take (Not set but sit close to celebrities and set up the camera not sit up.)
b) had a good seat toset close to the celebrities and have avantage point to set up my camera to take(Sit close not set)

c) could sit close to the celebrities and have avantage point of setting
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