Which of the following is correct about data-backdrop Data attribute of Modal Plugin?

Which of the following is correct about data-backdrop Data attribute of
Modal Plugin?
a. It specifies static for a backdrop, if you don’t want the modal to be closed when the user clicks
outside of the modal.
b. It closes the modal when escape key is pressed; set to false to disable.
c. It shows the modal when initialized.
d. Using the jQuery .load method, injects content into the modal body. If an href with a valid URL is
added, it will load that content.