A. It made me realize how ignorant I was.B. Through she loved her 86-year-old grandmother, she had found it hard to visit her.C. Both Karoline and Nick found making the program life-changing.D. Afterward, both of them described the“invisibility”of being old.E. Then they had to live each day, for a month, as an old person.F. Nick was also nearly robbed when he was taking money out of an ATM.