[单选题]
A butterfly moves with a speed of 12.0 1twca0jzonp .eb+i6 6m/s. The x component of its ).hv0qsnh)xn)x2 tm( we( iavguq:0vvelocity is 8.00 m/s. The an:ue)xvsg(xw.0)vq)h(q ntv02in h magle between the direction of its motion and the x axis must be
A. $30.0^{\circ}$
B. $41.8^{\circ}$
C. $48.2^{\circ}$
D. $53.0^{\circ}$
