Which of the following descriptions about China’s greening projects is not correct?
A. China’s greening projects were launched 20 years ago.
B. Deforestation in China reduced 7.362 million hectares of trees in 2017.
C. Green constructions, such as returning farmlands to forest andcity parks,are increasing.
D. The greening projects are the respond of the concept of “clear water and green hills are gold and silver mountains” promoted by President Xi.