[单选题]
Q1 = 6.0 nC is at (0.30 m, 0); Q2 = -1.0 nC is at (0, 0.0io7u.d3x28bh8xiu ji( kwzi 10 m); Q3 = 5.0 nC is h 4 puv8f0gq1zruyk7)at (0, fzg41hu8u7y 0qp)vrk0). What is the direction of the net force on the 5.0 nC charge?
A. $34^{\circ}$ above +x axis
B. $34^{\circ}$ above -x axis
C. $56^{\circ}$ above +x axis
D. $56^{\circ}$ above -x axis