All four of them Bob, Sarah, Jason, and Brett did well on the test. Which is the best way to punctuate the sentence?
○ All four of them, Bob, Sarah, Jason, and Brett, did well on the test.
○ All four of them; Bob, Sarah, Jason, and Brett; did well on the test.
○ All four of them: Bob, Sarah, Jason, and Brett, did well on the test.
○ All four of them—Bob, Sarah, Jason, and Brett—did well on the test.