When Considering Genes as a Potential Source of Sexual Orientation,which

When considering genes as a potential source of sexual orientation,which of the following statements is true?

A) Sexual orientation involves many genes acting together to produce the effect of attraction to one gender or the other.
B) The influence of genes is believed to continue throughout a person's lifetime in some cultures.
C) People choose their sexual orientation.
D) Scientists have been able to establish connections between genes and sexual orientation.
E) Genetic inheritance is sufficient to explain variation of sexual orientation within a family or differences among individuals.