Select the most appropriate one-word substitute for the highlighted segment.
Ravi was responsible for giving a false and defamatory statement about his friend.

Correct option is C

The correct one-word for the given group of words is (c) slanderous.
Slanderous: A false spoken statement meant to damage someone's reputation. (मानहानिकर, झूठा आरोप)
Example: The article made slanderous claims about the celebrity’s private life.
Meanings of the given other options:
· (a) Adulatory: Excessively praising or flattering someone. (चापलूस, अत्यधिक प्रशंसा करने वाला)
· (b) Flattery: Insincere or excessive praise. (चापलूसी)
· (d) Adorable: Inspiring great affection or delight. (प्यारा, मनमोहक)