[单选题]
Two 3.00-mC charges are at the enpyp3ku*v v9 6pds of a meter stick. Find t4os7zy4 4oe b fcird c;(6 vc2p1(in6 xk-zhnshe electrical potential for the centere4;vdsccr6 n4zfzp6- 2k n4 (sy7iboxoh(1ci of the meter stick.
A. zero
B. $2.70 \times 10^{4} \; V$
C. $5.40 \times 10^{4} \; V$
D. $1.08 \times 10^{5} \; V$
