Which sentence from "Island of Hope, Island of Tears" is written using a cause-and-effect text structure?

A. Her brother placed a housework-wanted ad in a local paper, and Katherine was soon hired as a governess with a wealthy family.

B. After a brief courtship, he and Vida Dixon married and sailed to the United States in 1923.

C. His brother Salvatore followed in 1908 and their siblings Antonio, Maria Anna, and Angelina joined them in 1913.

D. The Sicurella family typified the kinds of professions many Italian immigrants undertook once they came to America in the early 1900s.