Lake Powell, though not a lake, may well be, as its defenders assert, the most beautiful reservoir in the world. Certainly it has a photogenic backdrop of buttes and mesas projecting above the expansive surface of stagnant waters where the speedboats, houseboats and cabin cruisers play. But it is no longer a wilderness. It is no longer a place of natural life. It is no longer Glen Canyon.What connotation does the word "stagnant" have for the reader?
A. Positive
B. Informal
C. Formal
D. Negative