A．The library no longer had the book on reserve.
B．The homework assignment wasn’t clear.
C．The professor had chosen a mystery book for him instead.
D．The library closed earlier than he’d expected.

A．It indicates that latecomers don’t care about others’ time.
B．It indicates that latecomers always ignore other people’s feeling.
C．It indicates that latecomers enjoy being looked at by others.
D．It indicates that lateness is their way of life.