At Ellis Island, immigrants were checked for certain diseases. They were tested for mental problems and for foot and back problems, They were also examined specifically for an eye disease called trachoma. As a result, about 10 percent of immigrants were turned away from entry into the United States because they had trachoma. Those immigrants were forced to make heartbreaking voyages back to their homelands.
Which sentence from the passage best supports the conclusion in bold?
A. “At Ellis Island, immigrants were checked for certain diseases.”
B. “They were tested for mental problems and for foot and back problems.”
C. “They were also examined specifically for an eye disease called trachoma.”
D. “About 10 percent of immigrants were turned away from entry into the United States because they had trachoma.”