[单选题]
The near point of a farsia*n er m/a3x/9k7tst ughd5/;w a;/pml x1jzpkn) *h ofvted person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens po)pfhwm;5 vo d/* k/zlpj1xa;nwer is required?
