[单选题]
Two charges, separated by a large distance, are shown below, along with the h::) erqrnf: we(b1 qzupc t-v4lectric field lines around eacqpz1vcut4 b( -h charge.
Which of the following statements is correct?
I. The charge q is positive.
II. The charge q is equal in magnitude to +Q.
III. The electric field magnitude near the charge q is greater than the magnitude of the field near the charge +Q.
A. $ I$ only
B. $ II$ and $III$
C. $ III$ only
D. $ I$, $ II$, and $III$
