[单选题]
Two point charges, sepa yd.(tniswqs8 o9l1e28-f+drglg89hk wq* e arated by 1.5 cm, have charge values of 2.0 and -4.0 mC, respectively. What is t8e9 kwqr8ah *+gdlf -ghe magnitude of the electric force between them?
A. $400 \; N$
B. $360 \; N$
C. $320 \; N$
D. $160 \; N$