Concept:The last child born to Prophet Muhammad (SAW) was Ibrahim.Explanation:Ibrahim was the son of the Prophet (SAW) and Maria al-Qibtiyya.He was born in the year 630 CE, which was later than all the children born to Khadijah.His birth made him the youngest and last child of the Prophet (SAW).He died in infancy and was buried in Medina.Answer:A. Ibrahim