Toward the 1970s,scientific Evidence Had Accumulated,and Which of the Following

Toward the 1970s,scientific evidence had accumulated,and which of the following statements is true?

A) breast milk is far better than any substitute
B) the majority of births in the United States take place at home with the use of a midwife
C) cesarean sections are far riskier now then they have ever been before
D) modern milk-formula is far better than breast milk