Which of the following best describes the Virgin Mary?

The choice that best describes the Virgin Mary is that she is the mother of Jesus and wife of Joseph. In Christian theology, Mary holds a central role as the mother of Jesus Christ, revered for her virginity and her acceptance of God's will. This depiction is foundational within the New Testament and underscores her significance as the Mother of God, embodying purity and maternal devotion. In addition to being recognized as the mother of Jesus, she is traditionally seen as the wife of Joseph, providing context to her life and the Holy Family. This understanding aligns with the key tenets of Christianity and reflects her importance in religious narratives and art.

The other options do not accurately represent Mary’s character or role in religious texts or belief systems. Therefore, option A accurately captures the essence of Mary’s identity within the context of Christianity.