Commissioned :

A. Started

B. Closed

C. Finished

D. Terminated

E. Unlocked

Answer: Option D

Solution(By Examveda Team)

Started: begin or be reckoned from a particular point in time or space; come into being.
Finished: brought to an end; completed.
Terminated: bring to an end.
Unlocked: not locked
Closed: not opened.
Commissioned: bring (something newly produced) into working condition.

Antonym of Commissioned is Terminated