【单选题】When enthusiasts talk of sustainable development, the eyes of most people glaze over. There is a whiff of sack-cloth and ashes about their arguments, which usually depend on people giving up the comfo...
A.
has brought about sustainable development.
B.
proves to be nothing but an imagination.
C.
will deprive most people of modern comforts.
D.
contributes to the environmentally sound development.