Read the paragraph.

(1) owning a pet is popular in the united states. (2) for example, an estimated 83 million people own dogs and about 95 million own cats. (3) however, only about twenty percent of people choose to adopt their pet from a shelter. (4) specifically, that’s about 3–4 million cats and dogs who are adopted each year from shelters. (5) finally, 6–8 million enter shelters.

which transition in the paragraph should be revised?

a. revise “for example” at the beginning of sentence 2.
b. revise “however” at the beginning of sentence 3.
c. revise “specifically” at the beginning of sentence 4.
d. revise “finally” at the beginning of sentence 5.