The correct answer is B.
Angel Island Immigration Station was an immigration station located in San Francisco Bay. The station operated from 1910 to 1940.
The majority of immigrants arriving at Angel Island were from China, Japan, India, Mexico and the Philippines. It was due to the fact that the station was on the U.S. West Coast which was the point were many immigrants arrived first. Immigrants from Asian countries would arrive at Angel Island Station after crossing the Pacific Ocean because it was the fastest root to come to the the USA.