Replying to girls... help needed

k, so... the story is... me and this girl have been hooking up somewhat every night since about a week and a half ago. we never specified that we were 'together' at all, but we did like each other, and still do.. so here's where the problem arises, on friday night i hooked up with her best friend, because she liked me too, and she told me that girl A only wanted to be friends with benefits.. so anyways, after me and girl B hooked up, girl A told me that she didnt only want to be friends with benefits, and now she's angy at me, for the whole hooking up with her friend thing... so here's where your suggestions/help come in.. how am i suppose to get girl A back. right now she says she just wants to be friends, and maybe later somethign will come from that, but i don't like the whole 'maybe' something will come.. so what should i do to get her back??

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'sweet i can be seen sober with you' -- my friend dom to a previously not hot, now hot girl he was meeting.