Time spent in a bookshop can be most enjoyable, whether you are a book-lover or merely there to buy a book as a present.

A. It’s Harder to Admit One’s Mistake.
B. I Was Once the Culprit.
C. I Remember an Incident.
D. A Case of Mistaken Identity.

A. the moment you have entered the shop
B. before you start browsing
C. only when you have finished browsing
D. when you have made your choice