Originally Posted by Massimo
This is a little advanced, and is something that one would only do against a thinking aggressive player (which are most players at 5/10 plus), but you should consider c/c the turn and then c/r the river on a blank.
Thinking players recognize that the T is a very bad card for your range: You're not really repping much on the flop besides a set and KT or AT, so once the T hits if you were bluffing you'll usually shutdown (if you dont have a flush yourself). Marshall is probably going to recognize this, and realize the the T is very good for him because he can hold all T's, and he'll probably try to rep it. He's going to probably fire any T on the turn, all his floats, and all his flushes, and he'll probably be the river a lot too. It's a superior line against a player like this.
As played, c/f seems best.