Read this passage from When Birds Get the Flu by John DiConsiglio. Dr. Dowell had proven that bird flu could pass from person to person. But still, it hadn’t been spread easily. The mother had held her dying daughter for hours.

What section does this passage most belong in?

in the opening where the claim is introduced
in the body where the claim is supported
in the body where counterclaims are addressed
in the conclusion where the argument is summed up