Which of the following statements are correct about Dr. Sun Yat-sen?
A.
As a teenager, he was sent to a missionary school by his elder brother in Honolulu.
B.
He studied western medicine in Hongkong and practiced medicine in Guangzhou and Macau.
C.
He established the first Chinese bourgeois revolutionary organization called "China Revolutionary League" (the Tong Meng Hui).
D.
He was honored as the "forerunner of the Chinese Bourgeois Democratic Revolution" and the "father of the Republic of China".