[单选题]
A 1200-kg ferryboat is moving south at 20 m/s. What is the magnitudewea,y 0vl9give9+ b4 +t 4jcog of ih t3if.d0me f2z ug8as*p 7kj*ts mom g* hezfa2 k.*7sd80fjm3tipuentum?
A. $1.7 \times 10^{-3} \; kg \cdot m/s$
B. $6.0 \times 10^{2} \; kg \cdot m/s$
C. $2.4 \times 10^{3} \; kg \cdot m/s$
D. $2.4 \times 10^{4} \; kg \cdot m/s$