Which of the statements is false?

A、San Francesco was named “Gold Mountain” in Chinese because of the California Gold Rush of 1849.;
B、The term "forty-niner" was used, referring to those immigrants who went to California for gold in 1849.;
C、Now, "forty-niner" refers to the player of the basketball team of San Francesco.;
D、Chinese immigrants began arriving in the United States in large numbers after gold was discovered in California in 1848.