[单选题]

Many wealthy people don't want to leave too much'behind mainly because
A． it is not easy for them to make their fortunes
B． they want their children to make their own way
C． they just wish their children to have a comfortable life
D． they hope to gain reputation by donating their wealth

Many wealthy people don't want to leave too much'behind mainly becauseA． it is not easy for them to make their fortunesB． they want their children to make their own wayC． they just wish their children to have a comfortable lifeD． they hope to gain reputation by donating their wealth