[单选题]
A machine gun, of mass 35.0 kg, fj( ;s87pzgzn 26no- eykio*p mires 50.0-gram bullets, j.(e qtp sv-2awith a muzzle velocity of 75epq2s(v .-jta 0 m/s, at the rate of 300 rounds per minute. What is the average force exerted on the machine gun mount?
A. $94.0 \; N$
B. $188 \; N$
C. $219 \; N$
D. $438 \; N$
