A:That
B:What
C:Whether
D:How
Luoshenfu was painted by Gu Kaizhi, was a Chinese painter.
青藏地区是亚洲众多大江大河的源头,为了保护生态环境,我国在青藏高原设立了“三江源”自然保护区,这里的“三江”是指( )