What do the following abbreviations “info” and “intro” mean?
A.informal, internal
B.information, intonation
C.informal, intonation
D.information, introduction
正确答案：information, introduction
What do the following abbreviations “info” and “intro” mean?
A.informal, internal
B.information, intonation
C.informal, intonation
D.information, introduction
正确答案：information, introduction