Final answer:
The correct answer is option b. A member of Judaism would most likely be found at a synagogue, not a mosque, cathedral, or monastery. Synagogues serve a similar function for Jews as churches do for Christians, whereas mosques are Islamic centers of worship.
Step-by-step explanation:
A member of Judaism would most likely be found at a synagogue. A synagogue is the Jewish house of worship and communal gathering place, serving functions similar to a church for Christians. Unlike some religions that proactively seek converts, Judaism is known as one of the two best-known ethnic religions, and it is uncommon for a Jewish rabbi to invite non-Jews to the synagogue with the intent to convert them.
In contrast to the synagogue's role in Jewish worship, the mosque serves as the gathering place for prayer for Muslims. Despite various architectural styles such as the hypostyle and four-iwan, the mosque's fundamental purpose is as the Muslim gathering place for the five daily prayers, particularly the Friday noon prayer where attendance is obligatory for Muslim men.
Turning to Christianity, sacred architecture varies greatly among different denominations. The answer to the question about which site in Jerusalem is of particular importance to Christians is a. The Holy Sepulchre, believed to be the site of Jesus' crucifixion, burial, and resurrection.