Which version of the underlined text in sentence 2 (reproduced below) provides the most effective claim to set up the discussion that follows in the passage? In fact, sister-city programs can matter a great deal: civic organizations and local businesses are often involved in sister-city relationships

A. they have been established between cities including Bristol, England, and Hanover, Germany. they have been established between cities including Bristol, England, and Hanover, Germany.

B. when effectively cultivated, they bring people together to create mutually beneficial cultural and economic ties. when effectively cultivated, they bring people together to create mutually beneficial cultural and economic ties.

C. the organization Sister Cities International is dedicated to promoting sister-city relationships for cities around the world. the organization Sister Cities International is dedicated to promoting sister-city relationships for cities around the world.

D. even if your hometown does not have a sister city, you probably live close to a community that does.