Which of the Following Statements Is True of Genograms

Which of the following statements is true of genograms?

A) In genograms, squares are used to represent females and circles are used to identify males.
B) They are typically used to develop views about environmental phenomena.
C) In genograms, a line extended downward from a relationship bracket line indicates an uncommitted relationship.
D) They help to increase awareness and understanding of how families influence their members.