A Student Sets the Cross-Hairs of an Eyepiece in Line

Multiple Choice

A student sets the cross-hairs of an eyepiece in line with an image that he is measuring. He then notes that when he moves his head slightly to the right, the image moves slightly to the left (with respect to the cross-hairs) . Therefore the image is:

A) infinitely far away
B) farther away from him that the cross-hairs
C) nearer to him than the cross-hairs
D) in the focal plane of the eyepiece
E) in the plane of the cross-hairs