The correct sentence is:

A. A white and a black dog is barking
B. Both A & C
C. A white and black dog is barking 
D. A white dog and black dogs are barking

🧠 Explanation:

The correct sentence is “A white and black dog is barking,” using proper grammar. For English students, this highlights sentence structure, making it a key topic for studying grammar, linguistic clarity, and communication. Correct syntax ensures clarity. Understanding this improves writing accuracy. It’s essential for mastering sentence construction in essays or communication. Studying correct sentences offers insights into how grammar enhances clarity, crucial for English, journalism, and communication, ensuring error-free expression in academic or professional contexts.