The parents of a 4-year-old with sickle cell anemia tell the nurse that they would like to have other children, but they’re concerned about passing sickle cell anemia on to them. Which health care team member would be the most appropriate person for the nurse to refer them to

A. Clergy.
B. Social worker.
C. Certified nurse midwife.
D. Genetic counselor.

下列有关计算机的描述中，哪项不正确？（）

A、计算机是完成信息处理的工具。

B、计算机按照人们编写的并预先存储好的程序，对输入的数据进行加工处理。

C、计算机的使用可以提高工作效率和改善生活质量。

D、由于计算机智能技术的发展，机器人最终可以代替人类。