Final answer:
Caedmon was a 7th-century poet who was instructed to sing about creation, the history of the Israelites, and praise to God, according to historical records.
Step-by-step explanation:
Caedmon, the 7th-century Anglo-Saxon poet, was instructed to sing about a specific topic. When looking at the options provided, we can ascertain that Caedmon was instructed to sing about creation, the history of the Israelites, and praise to God. This is based on the historical records, notably by the monk Bede, who describes that Caedmon's miraculous gift of song was to compose and sing religious or spiritual hymns which covered the themes of creation, divine history, and exultation of God.