Read the paragraph below:
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. Informal
B. Negative
C. Positive
D. Formal