Identify the Cascading Style Sheet $($CSS$)$ rule that imports a file named screen.css only when a screen or projection device is being used.

a$.$@import url$("$screen$.$css$")*$screen$,*$projection;

b$.$#import url$("$screen$.$css$")$ screen, projection;

c$.$@import url$("$screen$.$css$")$ screen&&projection;

d$.$@import url$("$screen$.$css$")$ screen, projection;