Follow the directions below to complete this section. Ana is writing an article about a sit-in that took place during the Civil Rights movement. The sitin took place at a Woolworth's, one of a chain of retail stores with lunch counters, popular in the United States at the time. In her article certain sections of text have been underlined. In each instance, the underlined text may require a correction or revision. Read Ana's article, paying special attention to the underlined text, and then answer the questions that follow. A Sit-In at Woolworth's (1) It started as a four-man protest at the Woolworth's lunch counter in Greensboro, North Carolina. (2) The protest began on February 1,1960 (3) Ezell Blair, Jr. Which of the following revisions to sentence 4 correctly adds punctuation? A. The four African American men, who were students at the Agricultural and Technical College of North Carolina then sat at the store's whites-only lunch counter and tried to order. B. The four African American men who were students, at the Agricultural and Technical College of North Carolina, then sat at the store's whites-only lunch counter and tried to order. C. The four African American men, who were students at the Agricultural and Technical College of North Carolina, then sat at the store's whites-only lunch counter and tried to order. D. The four African American men who were students at the Agricultural and Technical College of North Carolina, then sat at the store's whites-only lunch counter, and tried to order.