There is always conflict between parents and children. However, they still should talk and share things with each other.

A. Although there is always conflict between parents and children, they still should talk and share things with each other.

B. There is always conflict between parents and children, so they still should talk and share things with each other.

C. Unless there is always conflict between parents and children, they still should talk and share things with each other.

D. Not only there is always conflict between parents and children, but they still should talk and share things with each other.