Read the excerpt from a play, and answer the question that follows. SCENE-A steamer's life raft rising and falling slowly on the long ground swell of a glossy trople sea. The sky above is pitilessly dear of a steel-blue color merging into black shadow on the
horizon's rim. The sun glares down from straight overhead like a great angry eye... The heat is terrific Writhing, fantastic heat waves rise from the white deck of the raft.
Here and there on the still surface of the sea the line of sharks may be seen slowly cutting the surface of the water in lazy circles. Two mar Sind a woman are on the raft

What kind of exposition does the playwright use in this instance?

A. having a brator explain what is going on

B. using an expository scene

C. having characters talk to explain what is going on

D. having a movie play before the action begins