A Study in Sweden Asked Parents Whose Child Had Died

A study in Sweden asked parents whose child had died from cancer whether or not they had talked about death with their child. Results showed that:

A) no parent who had talked with his or her child about death regretted having done so
B) most parents who had not talked with their child about death regretted not having done so
C) all parents who had not talked with their child about death were pleased with their decisions
D) all of these
E) none of these