[单选题]
96.36: An isolated c+envk 5j9g vq:o q*q.yc ,v77cgi.o uciscsvd+: ld.0 unducting sphere of radius R has positive charge + Q. Which graph best depicts the electric field as a function of r, the disv.0+o cs:c,.cqq*ildgv su7 d uiy7.ctance from the center of the sphere?
