[单选题]
Two 3.00-mC charges are at the ends of a meter stick. Fin0 +z 4u5rxmli-slcw 0rd the electrihyjwd b v 3o:,nq lglek9)4,:acal potential for the center of the meter s3: ny )kl:,vqjwb ,o9dgalh4 etick.
A. zero
B. $2.70 \times 10^{4} \; V$
C. $5.40 \times 10^{4} \; V$
D. $1.08 \times 10^{5} \; V$