Volunteer work is a component of informal work. This has become a focus of increased attention by policymakers throughout the world.

A. Volunteer work is a component of informal work, which has become a focus of increased attention by policy makers throughout the world.

B. Policy makers around the world pay increase attention to volunteer work as it is a component of informal work.

C. Because it is a component of informal work, volunteer work has drawn attention of policy makers throughout the world.

D. Policy makers throughout the world now are paying increased attention to volunteer work as a focal component of informal work.