Shannon and David Are Expecting Their First Child

Shannon and David are expecting their first child.David is in the military and has been stationed overseas.He is not sure that he can be there for the birth,and so his sister Lesley has volunteered to take his place if he cannot take leave.Based on research findings,what will be the impact of Lesley's presence?

A) Because Lesley is a close family member, and Shannon's trusted companion, her presence at the birth might be beneficial, but it is not essential.
B) Although Lesley is a close family member, without David present at the birth, the baby may have difficulty bonding to Shannon.
C) Although Lesley is a close family member, David's presence at the birth is essential if he and Shannon are to have a healthy relationship, and crucial to the baby's feelings of love and security.
D) David's and Lesley's presence or absence is irrelevant to the development of attachments to David as the father.