A wifi router is located at point (2 , 5) and the signal is best within 5 meters of the router. Which of the following location can get the good wifi coverage ?
AThe sofa at (4 , 3)
BThe bed at ( 7 , 5)
CThe desk at (6 , 1)
AThe sofa at (4 , 3)
BThe bed at ( 7 , 5)
CThe desk at (6 , 1)