The context of the following conversation is Remy was prepared for the test and they took it and got a very good grade on it.:
Remy says I studied for hours last night..
The friend responds That is the best way to approach a test..
Remy responds I was prepared for the test when I left for school..
The friend responds How did you do on it?.
Remy responds I took it and got a very good grade on it..
The friend responds Looks as if something sunk into that thick skull of yours..