The point A(2,1) is translated parallel to the line x−y=3 by a distance 4 units. If the new position A′ is in third quadrant, then the coordinates of A′ are

A. (2+2√2,1+2√2)
B. (−2+√2,−1−2√2)
C. (2−2√2,1−2√2)
D. none of these

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