[单选题]
An X-ray technician takee g4* q y-tfau a1)ifulmf,241b1elio 6rh f4t(q c7pobd+n*ys an average of ten X-rays per day and receives 2.5 mrad per X-ray. What is the total dose the technician receivespon(4 rdc+h7 qf*6byt in 250 working days?
A. $2.50 \; rem$
B. $5.00 \; rem$
C. $6.25 \; rem$
D. $7.75 \; rem$
