Fallacious means tending to deceive; Truthful means disposed to tell the truth. Hence the correct synonym.

Perfect – having all the required or desirable elements, qualities, or characteristics, as good as it is possible to be.

Accidental – happening by chance, unintentionally, or unexpectedly.

Disarming - having the effect of allaying suspicion or hostility, especially through charm.

Winsome means cheerful and engaging.

Dour means gloomy or sullen. Hence, option A is the most appropriate antonym.

Imitate – Option D is the correct answer.

Additional Information: -

* Emulate means to do something as well as somebody else because you admire him/her and imitate means to copy somebody for something.

* Echo means to send back and repeat a sound.

* Shun means to persistently avoid, ignore, or reject (someone or something) through antipathy or caution.

* Simulate means to pretend that you have a particular feeling.

Option C – Dependence, is the correct answer.

Additional Information: -

* Autonomy means independence and dependence means the state of needing the help and support.

* Slavery means the state of being under the control of another person.

* Subordination means the state of having less power or authority.

* Submissiveness means the state of being too willing to accept somebody else’s authority.

Acquired – Option D, is the correct answer.

Additional Information: -

* Hereditary means that is legally given to someone’s child and acquired means got from something that cannot be passed on.

* Carried means to take somebody/something from one place to another.

* Possessed means controlled by an evil spirit.

* Regained means to get back ability or quality.