Thelma Goes to Collect Her Clothes from a Dry-Cleaning Store

Thelma goes to collect her clothes from a dry-cleaning store at 8 p.m. The store guarantees a 24-hour pick-up service in all of its advertisements. However, she is disappointed to find that the pick-up service is available only between 11 a.m. and 7 p.m. This is an example of a

A) market gap.
B) delivery gap.
C) knowledge gap.
D) communications gap.
E) research gap.