Which of the Following Statements About Childbirth Is/are True

Which of the following statements about childbirth is/are true?

A) The caesarean delivery rate in the U.S. has dropped considerably over the past 30 years.
B) Women over 35 are more likely to have complications during pregnancy and to have caesarean sections.
C) Infants delivered by nurse midwives have lower birth weights and higher mortality rates than infants delivered by physicians.
D) all of the above