问题
Do you know the artist _______ the judges gave a prize? —Yes. He is the teacher _______ I have been taught painting for two years. [ ]
A: to whom, by whom
B: for whom, by whom
C: to whom, form whom
D:for whom, on whom
B: for whom, by whom
C: to whom, form whom
D:for whom, on whom
正确答案是：
