reserve officer

Looking for a bit of advice from anyone who's been in 4 Para or Royal Marines Reserve. Currently in my penultimate year at uni, and considering going for either 4 Para Reserve as an Officer or RMR as Private. (I understand you can't join RMR as an Officer. I've got a few q's if anyone has time...

I failed to pass main while attempting to go as a regular. I want to go back, but as I've taken some time out and got a job, joining the regulars wouldn't be as easy as it would have been if coming straight out of Uni. I want to get a bit more experience and a few more qualifications at my job...

Hi there , I'm starting university in September I'm just wanting to know which is better to join while in uni, Uotc or the Army Reserves as an Officer? Reason being I'm hoping to go to Sandhurst once I've graduated and just wanting to get a grasp of army life prior to Sandhurst.