TRAVESTY: PARAGON ::

TRAVESTY is a term used to describe something absurd or distorted.
PARAGON is used to describe a thing or a person that epitomizes a quality.

The given words are opposite in meaning.

Option B:
Disqualification and Ineptitude (lack of ability to do something) cannot be termed as antonyms.

Option C:
A sentinel is a term used to describe a person whose duty is to watch something.
A creed is a term used to describe a system of beliefs, especially religious ones. 

The 2 words are unrelated to each other. 

Option D:

Conundrum is a term used to describe a difficult problem. 
Accountability is expecting a person to be responsible for his actions.

The 2 words are unrelated.

Option A:

Autonomy means to do one's work without taking orders from others. 
Subordination means to follow the orders given. 

The 2 words are antonyms. Therefore, option A is the right answer.