When the sentence "We are paying close attention to young consumers." is turned into passi

When the sentence "We are paying close attention to young consumers." is turned into passive voice, which of the following is CORRECT？

A．Close attention is being paid to young consumers.

B．Close attention is being paid by us.

C．Young consumers are being paid close attention.

D．Young consumers are paid close attention to.

请帮忙给出正确答案和分析，谢谢！