Which statement is true of girls raised by lesbian parents in terms of sexual orientation?

Which statement is true of girls raised by lesbian parents in terms of sexual orientation?
 
  a. Girls raised by lesbian mothers are more likely to have same-sex contact and to identify themselves as bisexual, compared to their peers.
  b. Girls raised by lesbian mothers are less likely to have same-sex contact and to identify themselves as bisexual compared to their peers.
  c. Girls raised by lesbian mothers are less likely to have same-sex contact, but are more likely to identify themselves as bisexual compared to their peers.
  d. Girls raised by lesbian mothers are more likely to have same-sex contact, but are less likely to identify themselves as bisexual compared to their peers.