Perhaps most puzzling of all, _____ able to make sense of _____ we heard and distinguish the mistakes and errors from “good” language?

Perhaps most puzzling of all, _____ able to make sense of _____ we heard and distinguish the mistakes and errors from “good” language?

1. A.
   what we were, something
2. B.
   how were we, what
3. C.
   why we were, things
4. D.
   why were we, that

Perhaps most puzzling of all, _____ able to make sense of _____ we heard and distinguish the mistakes and errors from “good” language?

 A. what we were, something                    B. how were we, what

 C. why we were, things                        D. why were we, that

Perhaps most puzzling of all, _____ able to make sense of _____ we heard and distinguish the mistakes and errors from “good” language?

A. what we were, something　　 B. why were we, that

C. why we were, things　　　　 D. how were we, what

Perhaps most puzzling of all, _____ able to make sense of _____ we heard and distinguish the mistakes and errors from “good” language?