Well, the researches have said that If a person is not in a place where they feel comfortable, they won't feel comfortable to talk about themselves. If someone with a person that they feel comfortable, they are more likely to disclose information. If a person has been through a stressful/traumatic experience, they are more likely to share information to self-heal. SO your answer should be C) why? who and where?
The answer would be true the phrase alone can be a sentence
B. Opinion
def: a view or judgement not necessarily based on fact or knowledge
