[单选题]
An X-ray technician takes0j5)ac tohexi129 oh( nuh u6l an average of ten X-rays per day a5eq llj,isu-8 nd receives 2.5 mrad per X-ray. What is the totalqij85 l,u le-s dose the technician receives in 250 working days?
A. $2.50 \; rem$
B. $5.00 \; rem$
C. $6.25 \; rem$
D. $7.75 \; rem$