[单选题]
97.06: A charged rod is nf s9ma; 2u9u;x4 ;tntu 6yvcnplaced bet d(rqt olv85j9r2.t) )j daefsween two insulated conducting spheres as shown. The spheres have no net charge. Region II has the same polarity ar oj jrta5)lt( q.2d8sv9efd )s Region
A. I only
B. III only
C. IV only
D. I & III only
E. I & IV only