In the 1920’s,but（ ）in the Depression conditions of the 1930
单选
In the 1920’s,but（ ）in the Depression conditions of the 1930’s,the United States experienced a declining birth rate—every thousand women aged fifteen to forty‐four gave birth to about 118 live children in1920，89.2 in 1930，75.8 in 1936,and 80 in 1940.
