I can't the difference between them because they look like the same.A. speakB. talkC. say

问题补充：

I can the difference between them because they look like the same.

A. speak

B. talk

C. say

D. tell

答案：

A. speak

B. talk

C. say

(答案→)D. tell

解析：此处的tell意为:分辨,区别.不可用别的词来代替.