[单选题]
An X-ray technician twr ppn rd1vuyuips.i np t1p8k:8./0u-0vim7akes an average of ten X-raysyv5 pc12p+docr8 jp r( per day and receives 2.5 mrad per X-ray. What is the total dose the technician receives in 250 wpdr1p 8rpj(v5+ cocy2 orking days?
A. $2.50 \; rem$
B. $5.00 \; rem$
C. $6.25 \; rem$
D. $7.75 \; rem$