The following text is from a letter by John of Nikiu, a Christian bishop, who described a treaty signed after Muslims conquered the city of Alexandria in Egypt. And the Romans [Byzantines] were to cease warring against the [Muslims], and the [Muslims] were to desist from seizing Christian Churches, and the [Muslims] were not to intermeddle with any concerns of the Christians. And the Jews were to be permitted to remain in the city of Alexandria.

–The Chronicle of John, Bishop of Nikiu,

Based on the example, how were non-Muslims governed in conquered lands?

A. They were required to convert to Islam.

B. Their places of worship were destroyed.

C. They were required to leave their homes.

D. They could continue to practice their religion.