Four Dipoles,each Consisting of a +10-µC Charge and a -10-µC

Multiple Choice

Four dipoles,each consisting of a +10-µC charge and a -10-µC charge,are located in the xy-plane with their centers 1.0 mm from the origin,as shown.A sphere passes through the dipoles,as shown in the figure.What is the electric flux through the sphere due to these dipoles?

A) 4.5 × 10⁶ N ∙ m²/C
B) 0.00 N ∙ m²/C
C) 9.0 × 10⁶ N ∙ m²/C
D) 11 × 10⁵ N ∙ m²/C