who does not deal directly with blocking for the stage (a. Actors (b. directors (c. Lighting designers (d. Stage manager

C

Explanation:

(a. Actors are the ones that are doing the stage blocking

(b.directors are the ones that direct the actors where to stand on the stage ( which is stage blocking)

(c. Lighting designers don't really go on the stage and they mainly focus on where the lights go

(d. Stage manager manages everything that is being done on stage such as stage blocking

artists followed a set of rules to achieve ideal proportion.