The correct Active/Passive form of the given sentence is:

☀ Nobody has brought the news to my attention.

Explanation for other options:

☀ Nobody has been brought the news to my attention. This option is not grammatically correct. The correct form should use "has brought" to form the passive voice.

☀ Nobody have been brought the news to my attention. This option is not grammatically correct. The subject "Nobody" requires the verb "has," not "have."

☀ Nobody has been bring the news to his attention. This option is not grammatically correct. The subject "Nobody" requires the verb "has," not "has been bring." Also, the original sentence refers to "my attention," not "his attention."