Critical Reasoning

I felt this was a tough CR question; however, a simlar view may not be shared by others. Grateful, if you can share your thoughts and ideas on dissecting this type of problems!

A gift is not generous unless it is intended to benefit
the recipient and is worth more than what is expected
or customary in the situation; a gift is selfish if it is
given to benefit the giver or is less valuable than is
customary.

Which one of the following judgments most closely
conforms to the principle above?

(A) Charles, who hates opera, was given two
expensive tickets to the opera. He in turn
gave them to his cousin, who loves opera, as
a birthday gift. Charles’s gift was selfish
because he paid nothing for the tickets.

(B) Emily gives her brother a year’s membership in
a health club. She thinks that this will allow
her brother to get the exercise he needs.
However, the gift is selfish because Emily’s
brother is hurt and offended by it.

(C) Amanda gives each of her clients an expensive
bottle of wine every year. Amanda’s gifts are
generous, since they cause the clients to
continue giving Amanda business.

(D) Olga gives her daughter a computer as a
graduation gift. Since this is the gift that all
children in Olga’s family receive for
graduation, it is not generous.

(E) Michael gave his nephew $50 as a birthday
gift, more than he had ever given before.
Michael’s nephew, however, lost the money.
Therefore, Michael’s gift was not generous
because it did not benefit the recipient.

Thanks a bunch.