Read the paragraph and answer the question.

(1) some artists use junk to create their work. (2) they may create mosaics, collages, or even sculptures out of pieces no one wants anymore. (3) in austin, texas, an artist built the cathedral of junk, a huge structure built out of junk. (4) most artists make smaller sculptures, such as animals, out of metal, or even portraits out of pieces of trash.

how does sentence 3 contribute to the development of the central idea of the paragraph?

a.
it gives an alternate central idea.

b.
it sums up the central idea of the paragraph.

c.
it gives a counter claim to the central argument.

d.
it provides an example to support the central idea.