I spoke to him kindly him .A. not to frighten B. in order to not frighten C. for not frig

问题补充：

I spoke to him kindly him .

A. not to frighten

B. in order to not frighten

C. for not frightening

D. so as not to frighten

答案：

A. not to frighten

B. in order to not frighten

C. for not frightening

(答案→)D. so as not to frighten

解析：不定式的否定式在不定式to前加not。句意：我对他和蔼的说话为的是不使他害怕。