Electric Field of Multiple Point-Charges: the Figure Shows Three Electric

Electric field of multiple point-charges: The figure shows three electric charges labeled Q₁, Q₂, Q₃, and some electric field lines in the region surrounding the charges. What are the signs of the three charges?

A) Q₁ is positive, Q₂ is negative, Q₃ is positive.
B) Q₁ is negative, Q₂ is positive, Q₃ is negative.
C) Q₁ is positive, Q₂ is positive, Q₃ is negative.
D) All three charges are negative.
E) All three charges are positive.