Select the option that expresses the given sentence in passive voice.
She wrote a book.

Correct option is B

The correct passive voice of the given sentence is "A book was written by her."
Rules for Conversion:
· Active Voice: Subject + verb (past) + object.
· Passive Voice: Object + was/were + past participle of the verb + by + subject.
Structure:
· Active: She (subject) wrote (verb - past) a book (object).
· Passive: A book (object) was written (past participle) by her (agent).
Incorrect Options:
· (a) A book is being written by her. (Present continuous, incorrect tense.)
· (c) A book can be written by her. (Modal verb changes meaning.)
· (d) A book will be written by her. (Future tense, incorrect tense.)