Which sentence means that Zayd and Bakr both came as coordinated subjects?

Maf'ul Ma'ahu: The Accompanying Noun

• جَاءَ زَيْدٌ وَبَكْرًا
• جَاءَ زَيْدًا وَبَكْرٌ
• جَاءَ زَيْدٌ وَبَكْرٌ
• جَاءَ زَيْدًا وَبَكْرًا