What is the difference between a scientific theory and a natural law? $($Sec$.1\mathrm{.}1)$

$($a$)$ a theory is a tentative proposal and a law is a teste proposal

$($b$)$ a law is a tentative proposal and a theory is a tested proposal

$($c$)$ a theory explains behavior and a law states a measurable relationship

$($d$)$ a law explains behavior and a theory states a measurable relationship

$($e$)$ none of the above