In the US Economy, Women Hold a Greater Proportion of What Are

In the U.S. economy, women hold a greater proportion of what are known as frontline jobs. What are frontline jobs?

A) Jobs in the service sector, like care and customer service jobs, that require face-to-face interaction
B) Unpaid housework and care for children and other family members
C) Federal, state, and city jobs whose salaries are mainly provided by tax dollars
D) Community service jobs, both paid and unpaid