[单选题]
A butterfly moves wit(qn-xoxo9wkc61 e o, nf.2jxoh a speed rk :rq6whed,jfv9;7 g of 12.0 m/s. The x component of its velocity is 8.00 m/s. The angle between t:r deqwjghr 96v7,f;khe direction of its motion and the x axis must be
A. $30.0^{\circ}$
B. $41.8^{\circ}$
C. $48.2^{\circ}$
D. $53.0^{\circ}$
