Select the option that expresses the given sentence in passive voice:
They are building a new hospital in the city.

Correct option is D

The correct passive voice is (d) A new hospital is being built in the city by them.
Rules for conversion:
· Identify the object ("a new hospital") and make it the subject.
· Change the verb tense appropriately: "are building" (present continuous) changes to "is being built."
· Retain the agent ("by them").
· Structure:
· Active voice: Subject + is/are + V1 + ing + object.
· Passive voice: Object + is/are + being + V3 + by + subject.
Example: They are painting the house. → The house is being painted by them.