According to Existentialism, Which of the Following Is True

According to Existentialism, which of the following is true?

A) The individual is at the CENTER, everything else is subordinate to the individual.
B) Every person - every individual, should have full opportunity to make choices and decisions. Without this ability, the individual begins to loose his/her individuality, identity, and personal existence.
C) Each person - each individual is responsible for their actions - their decisions, and their behavior. The existential person knows that his/her decisions will influence and affect others and therefore must be held accountable for their decisions.
D) All of the above.
E) None of the above