All of the Following Were Persistent Trends in the Upper-Class

All of the following were persistent trends in the upper-class eighteenth-century European family except

A) childhood being viewed more and more as a special phase in human development.
B) the use of wet nurses.
C) the decline in the total number of children per family.
D) children often removed from foundling homes and boarded at state and municipal workshops.
E) the use of a variety of birth control techniques.