The Image "Angel Island Physical Exam" Shows a Group of Chinese

The image "Angel Island Physical Exam" shows a group of Chinese boys waiting to see the doctor while a military official inspects one of them. Viewed in the context of the history of Chinese immigration to the United States in the latter nineteenth century, which of the following conclusions can you draw from this image?

A) Chinese immigrants were treated as individuals.
B) Immigration officials cared for the health and well-being of Chinese immigrants.
C) Immigration officials looked at Chinese as a threat to public health.
D) Chinese immigrants were grateful for getting to see a doctor upon their arrival.