[单选题]
96.36: An isolated conducting spheo p4/6 *upic/i3 wp(twe /cfixeiu7n.re of row k5f41yc a vs8gx52r:i/tioadius R has positive charge + Q. Which graph best depicts the electric field as a function of r, the distance from the cente4gw /1x52vcaoyrtf ks5 i8o :ir of the sphere?