I think it is C, since it sounds the most reasonable.
An individual's self-esteem can be affected by genetics as well as environmental factors, and poor self-esteem often begins in childhood. A person who experiences an abusive childhood or who didn't get enough approval from authority figures, feels his or her self-worth was based on achievements or feels excluded will often have poor self-esteem.
Coping strategies and resilience, what doesn't kill you makes you stronger :-)
1. This picture isn't clear enough to see the entirety of the questions.
2. It provided a link to use to find the answers, which usually means that the link it gave you has all the answers you need. Some answers may be implicit, but they are usually explicit.
Informed consent and disclosing necessary information is a right that all patients have. They have the right to ask what they are receiving and the treatments they are undergoing. Now, when situations arise where information such as where antibodies come from, it might be appropriate to provide a vague but informative response to the client. However, still in the basis of truth, just that to protect the client from unnecessary anxiety it might be best to provide a slight vague but honest reply.