Select the option that expresses the given sentence in the active or passive voice.

Designer clothes were sold to the masses by Pierre Cardin.

Pierre Cardin sold designer clothes to the masses.

The correct option that expresses the given sentence in the active voice is Pierre Cardin sold designer clothes to the masses.

The other options are incorrect because:

• Designer clothes were sold to the masses by Pierre Cardin is in the passive voice.
• The masses were sold by Pierre Cardin to the designer clothes is grammatically incorrect. The subject of the sentence is "the masses," but the verb "sold" is in the active voice, which means that the subject is doing the action.
• Designer clothes have been sold by Pierre Cardin to the masses uses the present perfect tense, while the original sentence is in the simple past tense.
• Pierre Cardin had sold designer clothes to the masses uses the past perfect tense, while the original sentence is in the simple past tense.