Question ID:PT33 S1 Q1 Passage:Marmosets are the only primates other than humans known to display a preference for using one hand rather than the other.  Significantly more marmosets are left-handed than are right-handed.  Since infant marmosets engage in much imitative behavior, researchers hypothesize that it is by imitation that infant marmosets learn which hand to use, so that offspring reared by left-handed parents generally share their parents' handedness. Stem:Which one of the following, if true, most supports the researchers' hypothesis? Correct Answer Choice:EChoice A:A study conducted on adult marmosets revealed that many were right-handed. Choice B:Right-handed marmosets virtually all have at least one sibling who is left-handed. Choice C:According to the study, 33 percent of marmosets are ambidextrous, showing equal facility using either their left hand or their right hand. Choice D:Ninety percent of humans are right-handed, but those who are left-handed are likely to have at least one left-handed parent. Choice E:Marmosets raised in captivity with right-handed adult marmosets to whom they are not related are more likely to be right-handed than left-handed.