Find the center, foci, and vertices of the ellipse.
+ 
= 1
A. center at (2, -1)
foci at (2 + 
, 2), (2 - 
, 2)
vertices at (4, -1), (-4, -1)
B. center at (-1, 2)
foci at (-1 + 
, 2), (-1 - 
, 2)
vertices at (-2, -1), (6, -1)
C. center at (2, -1)
foci at (- 
, -1), (
, -1)
vertices at (4, -1), (-4, -1)
D. center at (2, -1)
foci at (2 + 
, -1), (2 - 
, -1)
vertices at (-2, -1), (6, -1)
Answer: D
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