Please sit down. The following are "jingles" about the main features of China's four plateaus. Can you find the corresponding name of the plateau? (find the corresponding word.

A. It is vast and green, with an ice peak 1000 feet high; Hundreds of miles of rivers and mountains alternate with each other. It describes the Qinghai-Tibet Plateau, where snow-capped mountains are continuous and glaciers are widely distributed.

B. barren hills and mountains, alternating Sichuan and Liang; Gullies are vertical and horizontal, and the surface is broken. It describes the Loess Plateau, where the surface is broken and fragmented.

C. the depressions are listed and the mountains and rivers alternate; Karst landform, ingenious structure. It describes the Yunnan-Guizhou Plateau, where limestone is widely distributed.

D. the land is open and the flat sand is boundless; It describes the Inner Mongolia Plateau, which is one of the important pastoral areas in China.

Therefore, the answer is: a; b； d； C.