Li Lei is only 8 years old he can speak English very well.A. becauseB. orC. soD. but

问题补充：

Li Lei is only 8 years old, he can speak English very well.

A. because

B. or

C. so

D. but

答案：

A. because

B. or

C. so

(答案→)D. but

解析：because 因为;or或者,否则;so因此;but但是.句意:李磊只有8岁,但是他英语能说的很好.结合语境可知上下文为转折关系,故选D.