A. call
B. call
C (a) call, reraise TT if its a pretty aggressive table
C (b) call, reraise TT if he's a pretty loose raiser (at least 15%)
D (a) call always
D (b) call or fold BUT unless he's a tight raiser, u can't just play for a set (e.g. u have to bluff raise the flop or float sometimes)