All functions of your body not needed for the struggle about to commence are shut down.

Which answer choice means the same as commence as it is used in this sentence from the fourth paragraph of the passage?
Responses
A beginbegin
B disappeardisappear
C fightfight
D stop

C fightfight

The answer choice that means the same as "commence" in the given sentence is option B: "disappeardisappear."