[单选题]
The near point of a farscrv cwouikw3t *d.yn ;1.y9p5ight ;;iv)cosy j2wf -zu 70(uonyted person is 100 cm. She places reading glasses close to her eyes, and with theoo;z -0)uyt 7;(usvjwnc2 fi ym she can comfortably read a newspaper at a distance of 25 cm. What lens power is required?