【单选题】

In the fifth paragraph, by saying" ff decisions as important as when to have children are not open to ethical comment and discussion, then what is worthy of ethical analysis... decisions a- bout what color to paint the living room ", the author is suggesting that _________.

A．people like to make important decisions.
B．when to have children is not an ethical question.
C．when to have children is worthy of ethical analysis.
D．when to have children is more important than what color to paint our living room.