when muslims speak of \people of the book,\ to whom are they referring?\nbedouins\nchristians\narabs\npilgrims

when muslims speak of \people of the book,\ to whom are they referring?\nbedouins\nchristians\narabs\npilgrims
Answer
Brief Explanations:
In Islamic - tradition, "people of the book" refers to those who follow monotheistic religions with a revealed scripture. Christians, along with Jews, are considered "people of the book" as they have their own holy books (the Bible and the Torah respectively).
Answer:
B. Christians