Cover more than 40% of china.
a. lakes
c. deserts
b. rivers
d. mountains

D. Mountains cover more that 40% of China. 

The western part of this country is more elevated than the eastern part and includes many mountains chain such as Three Sacred Mountains in Sichuan Province or Mount Tai in Shandong Province representing a Totem of ancient China

answer; i believe that one of the correct answers is preventing human development;