[单选题]
A farsighted person can read a ne /4cgtyd 4 oiwc)q8me*wspaper held 25 cvnrh6rjuvd2i g7v03ss72vl6 m from his eyes, if he wears glasses vd7vu736li2v 0jh2rsnr6v sg of +3.33 diopters. What is this person's near point?
A. $4.2 \; cm$
B. $25 \; cm$
C. $31 \; cm$
D. $1.5 \; m$
