A Body 1 explains the problem the claim addresses through shade makes walking more comfortable during warm months; Body 2 explains the benefit shown by tree-lined routes can encourage more people to walk short distances; Body 3 responds to trees require watering, maintenance, and careful placement with a practical focus on planting projects improve public spaces over time.
B Body 1 explains shade makes walking more comfortable during warm months; Body 2 gives the same problem in different words; Body 3 gives a third version of the same problem.
C Body 1 describes the names of famous forest explorers; Body 2 defines several terms; Body 3 repeats the claim.
D Body 1 says there is a problem; Body 2 says the problem is serious; Body 3 says the problem should be solved, without distinct reasons.
