[单选题]
The near point of a fbr2.n-h/p b j ng(pjr+p9 )wxaarsighted person is 100 cm. She places reo: d-*-:me +ewfmf1bnblibt 3ading glasses close to her eyes, and with them she can comfortably read a newspaper at a dis1b+bef-m-:lof*ni b tedwm3:tance of 25 cm. What lens power is required?
