When Compared to Heterosexual Couples, How Do LGBTQI+ Couples Divide

When compared to heterosexual couples, how do LGBTQI+ couples divide household responsibilities?

A) There is a very similar distribution of labour in LGBTQI+ relationships and heterosexual relationships.
B) There is a more equitable division of labour in LGBTQI+ relationships.
C) There is a less equitable division of labour in LGBTQI+ relationships.
D) Lesbian relationships are distinctly more equitable than all other relationship.
E) No studies have explored this issue.