Synonym of INSOLENT

Nervous
Rude
Proud
Assertive

The correct answer is B. Rude.

Insolent means showing a lack of respect for authority or for the feelings of others. It can also mean arrogant or impertinent.

Nervous means feeling anxious or worried.

Proud means having or showing a high or excessively high opinion of oneself.

Assertive means having or showing a confident and forceful personality.

Of the above options, only rude is a synonym of insolent.