During the first crusade, crusaders reached Jerusalem and captured it in

The correct answer is B. 1099 AD.

The First Crusade was a religious expedition launched in 1095 by Pope Urban II to recapture the Holy Land from Muslim rule. The Crusaders reached Jerusalem in 1099 and captured the city on July 15, 1099.

Option A is incorrect because the year 1000 AD was before the First Crusade.

Option C is incorrect because the year 1200 AD was after the First Crusade.

Option D is incorrect because the year 1515 AD was after the Ottoman conquest of Jerusalem.