According to the Qur’an, in Mohammed’s time the Christians still had the Gospel. We have many copies of the New Testament from 100 to 200 A.D., and the Old Testament Dead Sea scrolls from prior to Mohammed’s time. See the first answer for more on the Old Testament.
Kwa mujibu wa Kurani, wakati wa Muhammad wakristo walikuwa na Injili. Tuna nakala nyingi za Agano Jipya zilizoandikwa tokea mwaka 100 hadi 200 B.K., na Hati toka Bahari ya Chumvi (Dead Sea scrolls) za Agano la Kale zilizoandikwa kabla ya muda wa Muhammad. Tazama jibu la kwanza kwa habari zaidi kuhusu Agano la Kale.