he is only 8 years old he knows more about science than his fatherA. ButB. ThoughC. SoD.

问题补充：

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

A. But

B. Though

C. So

D. Because

答案：

A. But

(答案→)B. Though

C. So

D. Because

解析：句意：尽管他只有8岁，他知道的科学知识比他父亲还多。But 但是；Though 尽管；So 所以；Because因为。故选B。