A good teacher is who teaches not only with mind but also with heart.A. oneB. the oneC. i

问题补充：

A good teacher is who teaches not only with mind but also with heart.

A. one

B. the one

C. it

D. that

答案：

(答案→)A. one

B. the one

C. it

D. that

解析：考查代词。one只能代替可数名词，其意相当于“a / an +可数名词”。句意：一位好老师一个不仅用思想而且用心教学。故A正确。