Please answer question 3question and explain the solution

3. The DNA will attract a loose cloud of Na+ in its vicinity, as sketched below. A cloud of charges like this is called a "counterion cloud". If you assume that the charge associated with the ions in this counterion cloud is roughly equal in magnitude to the charge on the DNA, then the electric field that an additional Na+ ion far outside the cloud experiences is counterion cloud + A. Unchanged in magnitude and direction C. Significantly reduced in magnitude D. Significantly increased in magnitude, pointing in the same direction E. Significantly increased in magnitude, but pointing in the opposite direction