Mira Bai lived from approximately 1498 to 1558. Chaitanya Mahaprabhu lived from 1486 to 1534. Guru Nanak lived from 1469 to 1539. Tulsidas lived from 1532 to 1623. Rama Krishna Paramhans lived from 1836 to 1886. Both Chaitanya and Guru Nanak's lifetimes significantly overlap with Mira Bai's, placing them as contemporaries and key figures of the same period and religious movement. Tulsidas, while overlapping in the later part of Mira Bai's life, is often associated with a slightly later phase of the Bhakti movement and the reign of Akbar. Ramakrishna Paramhans belongs to the 19th century and is not a contemporary. While Guru Nanak (C) is also a very strong contemporary, Chaitanya Mahaprabhu (B) is a widely accepted answer in many historical contexts for this pairing.