Select the most appropriate option to fill in the blank.
He made the cake all by _____.

Correct option is B

The correct option to fill in the blank is (b) himself.
Explanation: The subject of the sentence is “He”, so the correct reflexive pronoun is himself, used to emphasize that he did it alone. (स्वयं / अपने आप)
Example: He repaired the car all by himself.
Explain why other options are incorrect:
· (a) yourself – Used with “you” (तुम खुद)
· (c) myself – Used with “I” (मैं खुद)
· (d) herself – Used with “she” (वह खुद)
�� Information Booster: Reflexive pronouns (myself, yourself, himself, etc.) are used when the subject and the object are the same person.