The writer had plenty of time to spare as his train（）

A．lay right on one side of a shelf
B．was right behind as old brown-looking case
C．was between two high shelves
D．was among the hundreds of cases

A．There are less opportunities today to start a business because customers are always dissatisfied.
B．There are many opportunities today to start a business with a simple reason.
C．Customers' dissatisfaction means you can start a business to satisfy them.
D．Never start a business if customers are dissatisfie