We all think it most foolish ___________ that mistake .

We all think it most foolish ___________ that mistake .
A、for you to make
B、of you to make
C、for your making
D、of your making
【正确答案】：B
【题目解析】：主语+consider,make,feel,know,regard,believe think等+it +形容词+of sb to do sth ；表示觉得某人做某事是怎样的（形容词修饰的是人） ；主语+consider,make,feel,know,regard,believe think等+it +形容词+for sb to do sth; 表示某人做某事是怎样的（形容词修饰的是事）；根据题意 形容词修饰的事人，因此要有of 而不用for 。B正确