Which of the following gives the correct chronological order of Sikh Gurus?

• A. Nanakdev, Ramdas, Amardas, Angdev
• B. Tegh Bahadur, Ramdas, Arjundev, Govind Singh
• C. Guru Nanak, Angdev, Arjundev, Amardas
• D. Amardas, Ramdas, Arjundev, Tegh Bahadur