Which Feature Below Would Not Be Considered a Highly Convenient

Multiple Choice

Which feature below would not be considered a highly convenient feature for consumers of an Internet store transaction?

A) Consumers usually must wait for delivery of items purchased via delivery by third parties.
B) Internet store transactions can be completed without any human intervention on the part of the vendor.
C) Internet stores are "open" 24 × 7 with virtually worldwide access.
D) Internet stores accept most credit cards.