Sherine likes to sunbathe for several hours at a time without sunscreen or protective clothing. she says it’s healthy because it increases her vitamin d levels. what advice should sherine’s healthcare provider give her? a.)she should only sunbathe from 10 a. m. to 4 p. m. b.)her body does not need vitamin d. c.)she should take vitamin d supplements instead of sunbathing. d.)she should rotate often to avoid burning.