THEY / NOT FIND / CAUSE / FIRE.A.THEY STILL HAVEN’T FOUND THE CAUSE TO...

Câu 26:They / not find / cause / fire.

A.

They still haven’t found the cause to the fire.

B.

They still don’t find out the cause of the fire.

C.

They still haven’t found what caused of the fire.

D.

They still haven’t found out what caused the fire.