Julie is worried because she must take time off to be with her son during and after surgery, and is afraid her company will replace her. The human resource manager tells her that she is entitled to up to $12$ weeks of unpaid leave to care for her son. Which law did the human resource manager describe?

A$.$ Fair Labor Standards Act $($FLSA$)$

B$.$ National Labor Relations Act $($NLRA$)$

C$.$ Title VII of the Civil Rights Act of $1964$

D$.$ Family and Medical Leave Act $($FMLA$)$

E$.$ Occupational Safety and Health Act $($OSHA$)$