The_______ you are in the exam, the_______ mistakes you will make.  

A．carefully, few

B．more careful, fewer

C．more carefully, fewer

D．more careful, less

鼓励和批评孩子应注意的问题有（）

A.鼓励面要宽、批评面要窄

B.鼓励宜间接，批评宜直接

C.鼓励宜多，批评宜少

D.鼓励和批评要符合客观实际