Hospital executive: At a recent conference on nonprofit management, several computer experts maintained that the most significant threat faced by large institutions such as universities and hospitals is unauthorized access to confidential data. In light of this testimony, we should make the protection of our clients' confidentiality our highest priority. The hospital executive's argument is most vulnerable to which one of the following objections?
A: The argument draws a general conclusion about a group based on data about an unrepresentative sample of that group.
B: The argument infers that a property belonging to large institutions belongs to all institutions.
C: The argument confuses the causes of a problem with the appropriate solutions to that problem.
D: The argument relies on the testimony of experts whose expertise is not shown to be sufficiently broad to support their general claim.
Choose A, B, C or D as your solution.
D