Trending @Accenture; Project selection

I have joined Accenture recently. Been 3 months. Until now I didn't get any proper project. My skill set is Talend ETL. Getting hard lock and releasing is a forever process. One project even completed KT and released me without any reason. Now, I need to choose

1. Royal mail group - small scale project - complete developement
2. COMSAT - 50% Dev and 50% prod.
3. McDonalds - production support. But I was told there will be lot of learning. In the previous project also, I was informed that there will be lot of learning. But after joining I got to know its only opening and closing tickets. I have 3 years experience in development. Now confused which project to choose.