Two Charges of the Same Magnitude and Sign Are Placed

Multiple Choice

Two charges of the same magnitude and sign are placed a certain distance apart.There is only one point in space near them where the electric field is zero.Which,if any,of the following statements about that point is true?

A) It cannot be on the line joining the charges.
B) It must be on the line joining the charges and between the charges.
C) It must be on the line joining the charges but not between the charges.
D) Its position depends on the size of the charges.
E) None of these is correct.