If my dad hadn’t kept educating himself continuously, he wouldn’t be a real successful man now.

A. My dad has kept educating himself continuously, so he is a really successful man now.

B. My dad hasn’t kept educating himself continuously, so he isn’t really successful.

C. My dad is a really successful man now, but he hadn’t kept educating himself continuously.

D. Although my dad hasn’t kept educating himself continuously, he is a really successful man now.