What Is the Relationship Between Vitamin D and Its Receptor

What is the relationship between vitamin D and its receptor?

A) vitamin D binds to the vitamin D receptor on the cell membrane and initiates changes in metabolic pathways related to bone
B) vitamin D passes through the cell membrane and binds to DNA,stopping gene expression in cells such as those of the small intestine
C) vitamin D binds to its receptor in cells of many different organs of the body
D) vitamin D binds to its receptor in three parts of the body,the small intestine,the kidneys and the bone