Which figure of speech is used in the following sentence?
O Solitude! where are the charms that sages have seen in thy face?

Correct option is C

✔️ The correct figure of speech is (c) Apostrophe.
Explanation:
The speaker addresses “Solitude”, an abstract idea, directly. This form of direct address to an absent or imaginary entity is called apostrophe.
Grammatical Rule Used:
Apostrophe: A figure of speech in which an absent or non-living thing is addressed as if it were present and capable of understanding.
Hindi Explanation:
✔️ Apostrophe वह अलंकार है जिसमें किसी निर्जीव, अनुपस्थित या अमूर्त वस्तु को प्रत्यक्ष रूप में संबोधित किया जाता है।
उदाहरण: O Death, where is thy sting?
❌ Meanings of other options:
· (a) Personification – Giving human traits, not direct address.
· (b) Hyperbole – Exaggeration. | Hindi: अतिशयोक्ति
· (d) Metaphor – Direct comparison, not direct address.