--How much salt did you put in the soup?- I’m sorry to say . I forgot.A. noneB. no one

问题补充：

--How much salt did you put in the soup?

--- I’m sorry to say, . I forgot.

A. none

B. no one

C. nothing

D. no

答案：

(答案→)A. none

B. no one

C. nothing

D. no

解析：本题回答语的含义是我很抱歉的说，我没有在汤里放盐，none表示数量上没有，与问句的意思相符，故本题选A。