Select the sentence that is expressed in passive voice.

Correct option is D

The correct sentence in passive voice is "The consignment was delivered yesterday."
· Active Voice: A sentence is in the active voice when the subject performs the action (e.g., "The courier delivered the consignment.").
· Passive Voice: A sentence is in the passive voice when the subject receives the action (e.g., "The consignment was delivered.").
· Rule for conversion: Object + helping verb (was/were) + past participle of verb + by + subject (optional).
· Example:
· Active: "The chef cooked the meal."
· Passive: "The meal was cooked by the chef."
Analysis of other options:
· (a) "I prefer tea to coffee." → Active voice (subject "I" is performing the action).
· (b) "Children are participating in a sand-art competition." → Active voice (subject "Children" is performing the action).
· (c) "She sketches beautifully." → Active voice (subject "She" is performing the action).