How to Get a Higher Rating on Blinx 2?

[katsume]

Ok, so on Blinx 2, I have all of the Cat Medals (Legendary sweeper, fully upgraded, full life, everything in the shop, A-S team members [also fully upgraded & full life], etc, etc.) and all of the emblems except one (ugh, Tom Tom Bait >.<). Only, my rating is still a C! Some members on my team *cough cough, Geoffrey* have an S! I mean, I don't even have a B. How in the world do you get your rating higher? I don't like being a C. ;-;

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[cardinal]

I wish I knew, I'm only a C also. Some foods will give you the chance to improve it, but they can also lower it.