6430. His views on children and their upbringing are indeed outlandish.

✅ The correct answer is option C.
Realistic : having or showing a sensible and practical idea of what can be achieved or expected.

Funny : causing laughter or amusement; humorous.

Strange : unusual or surprising; difficult to understand or explain.

Offensive : causing someone to feel resentful, upset, or annoyed.

Outlandish : weird; queer.

Synonym of Outlandish is Strange