[单选题]
A 10-kg box sitting on a horizontal surfac dy0(hiaj j9n3 j5uoba-b( cn7e is pulz7 ;age gi ih++m3ard(led by a 5.0-N force. A 3.0-N friction force retards the motion. What is the accele 3adm+a7 +r(h ;gigizeration of the object?
A. $0.20 \; m/s^2$
B. $0.30 \; m/s^2$
C. $0.50 \; m/s^2$
D. $5.0 \; m/s^2$
