_______he is only 8 years old , he knows more about science than his father .

       A. But         B. Though       C. So       D. Because

_______he is only 8 years old , he knows more about science than his father .

       A. But         B. Though       C. So       D. Because

_______he is only 8 years old , he knows more about science than his father .

1. A.
   But
2. B.
   Though
3. C.
   So
4. D.
   Because