Choose the sentence that is not an appropriate supporting detail for this paragraph
(1) Exercise is good for the brain as well as the body. (2)
One study compared the brains of rats that had been
running on a wheel to brains of rats that had not had any
exercise. (3) Tests showed that the rat runners solved
problems faster and easier than other rats did. (4) Rats are
very smart and make excellent pets.
A. Sentence 3
B. Sentence 1
C. Sentence 4
D. Sentence 2