--- Do you know ________?

--- Yes, I do. She came here on foot.

1. A.
   where Kate came from
2. B.
   how Kate came here
3. C.
   when Kate comes here
4. D.
   why Kate didn't come here

?Do you know ________ ?

?Yes, I do. She came here on foot.

A. where Kate came from

B. how Kate came here

C. when Kate comes here

D. why Kate didn't come here

?Do you know________ ?

?Yes, I do. She came here on foot.

A. where Kate came from

B. how Kate came here

C. when Kate comes here

D. why Kate didn't come here

?Do you know ________ ?

?Yes. I do. She came here on foot.

A. where Kate came from

B. how Kate came from

C. when Kate comes from

D. why Kate didn't come here

--- Do you know ________?

--- Yes, I do. She came here on foot.

[　　]

A．where Kate came from

B．how Kate came here

C．when Kate comes here

D．why Kate didn't come here