Which Person Below Is MOST Likely to Be Willing to Participate

Which person below is MOST likely to be willing to participate in a research study of sexuality?

A) Jose,who is sexually experienced,but somewhat sexually conservative
B) Anna,who is sexually experienced and sexually liberal
C) Isaac,who has limited sexual experienced,but liberal attitudes towards sex
D) Joshua,who is sexually experienced and sexually liberal
E) Melissa,who has only had oral sex,but is sexually liberal