Use the Following to Answer Questions

Multiple Choice

Use the following to answer questions :
Refer to the graphs below

Participants in a study were asked to examine pairs of drawings of three-dimensional objects in which the members of each pair were shown in different positions. The graphs above compare the time required to mentally rotate objects up to 180 degrees in two dimensions (plane of paper) and in three dimensions (depth of paper) .
-The results shown in the graphs hold true for pairs of

A) objects that are in the same position but are shown in different sizes.
B) unlike objects that are in exactly the same position but not for pairs of identical objects.
C) identical objects but not for pairs of unlike objects.
D) identical and unlike objects in any position.