Read the following passage:

“Water, water!” I cried, in a wild and frantic tone, clapping my hands, and gesticulating like a madman.”
Using context clues, what is the definition of gesticulating?

An acutely disturbed state of mind
An idea or theory that is not proven but that leads to further study or discussion
Using dramatic gestures as a way to emphasize one’s words
Natural mineral springs containing irony salts