How Has the Life Expectancy for American Women Changed Over

How has the life expectancy for American women changed over the past century or so?​

A) ​It remained stable for the first half of this period, and then rose significantly in the second half.
B) ​It decreased over the first 30 years of the 20^th century, and increased over the next 80+ years.
C) ​It increased significantly through the 20^th century and has remained stable during the 21^st.
D) ​It rose significantly over the first 70+ years, and then fell somewhat over the next 40+ years.