单选题 The lecture was supposed to start at eight, but it was delayed an hour.
A．讲座以为在八点钟开始，但一个小时以后就开场了。
B．讲话被认为在八点钟开始，但被延误了近一小时。
C．讲演本该在八点钟开始，但迟了一个多小时。
D．讲座本应该在八点钟开始，但被耽搁了一个小时。