[单选题]
A foam ball of mass 0.1 zh:vs:c zexle 92r-7f50 g carries a charkqs*5wjjd;t1 ge of -2.00 nC. The ball is placed inside a uniform electric field, and is suspended against thjwd5sk1j;q *t e force of gravity. What are the magnitude and direction of the electric field?
A. 573 kN/C down
B. 573 kN/C up
C. 735 kN/C down
D. 735 kN/C up