What Happens to DNA When Placed into an Aqueous Solution

Multiple Choice

What happens to DNA when placed into an aqueous solution at physiological pH?

A) individual DNA molecules attract each other due to presence of positive and negative charges
B) individual DNA molecules repel each other due to presence of negative charges
C) individual DNA molecules repel each other due to presence of positive charges
D) DNA molecules bind to negatively charged proteins
E) none of the above