Reuben as a boy's name is pronounced ROO-ben. It is of Hebrew origin, and the meaning of Reuben is "see, a son".
Possible nicknames for Ruben include Ben, Benny or even Ru/Roo. Ruben can also be spelt Reuben and Rueben.
A)gives the idea that the writer is sympathetic and respectable
D. Happiness leads to great success
Explanation: D. Happiness leads to great success
The answer to the first question is most likely A. It makes the most sense to me. Though, I apologize if I'm incorrect. ^_^