Concept:The age of Abram when God appeared to him the second time, as recorded in Genesis 17.Explanation:God first called Abram when he was 75 years old.Later, God appeared to Abram again to confirm His covenant and to change his name to Abraham.Genesis 17:1 states, “When Abram was ninety-nine years old, the Lord appeared to Abram.”So, Abram was 99 years old at this second appearance.Answer:C. 99 years