[单选题]
Two forces are actin:ae)yre k+* /rok:jxs7 p1o fmeiok( - (xq h9iofcc 1h5r(z4hg on an object as shown in Fig. below. What is the direction of the resultant zfoch xhh((qr c9i 154force?
A. $12^{\circ}$ above -x
B. $78^{\circ}$ above -x
C. $12^{\circ}$ above +x
D. $78^{\circ}$ above +x
