What does the activity of jingling keys given to Lopakhin in The Cherry Orchard do?

A) is both a symbolic action and supports his emotion

B) is really not necessary to the monologue

C) should not be included in the stage directions

D) is adding sound to the dialogue

brb

Explanation:

changeable lenses of different focal lengths allow light to enter the camera, which then forms the image on light-sensitive film" is the one among the following statements about working principle behind a basic still camera is true.

c. landscape orientation