SAT English Practice Question

A young girl named Mary was writing a letter to her friend. She wanted to make sure the letter was perfect, so she asked her older sister to proofread it. Her sister found a few errors, including one that Mary had made with the punctuation. Mary had written, “Dear Jane I hope you’re doing well.” What punctuation mark should Mary’s sister suggest she use after the word “Jane” to correct the sentence?

1. A.a colon
2. B.a semicolon
3. C.a comma
4. D.a dash