Ben has learnt English for 5 years He can talk with En
A.Because Ben has learnt English for 5 years, he can talk with English people.
B.Although Ben has learnt English for 5 years, he can't talk with English people.
C.Because Ben has learnt English for 5 years, so he can talk with English people.
D.Therefore Ben has learnt English for 5 years, he can talk with English people.