A. Sincere
B. Polite
C. Plain-spoken
D. Rude
✅ The correct answer is option C.
Sincere : free from pretence or deceit; proceeding from genuine feelings.
Sincere : free from pretence or deceit; proceeding from genuine feelings.
Polite : having or showing behaviour that is respectful and considerate of other people.
Plain-spoken : outspoken or blunt; candid.
Rude : offensively impolite or bad-mannered.
Candid : truthful and straightforward; frank.
Synonym of Candid is Plain-spoken