The meaning of arrogant is someone with an exaggerated sense of importance. Therefore, the synonym of arrogant is option d, that is, conceited. He was disliked within the society because he was so conceited.
Option a is subservient. A subservient person could be a kind who listens to orders without question. it's no respect to the meaning of arrogant. Arrogant people are never subservient. they're those who want to dominate others.
Option b is masterful. Masterful people are powerful then can control others. this is often not the synonym for arrogant. Masterful people don't seem to be necessarily arrogant.

Option c is delightful. If you experience something delightful, it means it causes you to happy. it had been a pleasant trip to the park. it's no relation with the word arrogant.

Therefore, we will see that the proper option is option d.

Note: There are often an opportunity of confusion between masterful and conceited. confine mind that a masterful person has the ability to regulate people and is truly important but a conceited person only thinks that he's important. he's actually not as important as he thinks himself to be.