下列各组词语中，没有错别字的一组是[ ]

A．束缚　侯车室　骇人听闻　大放厥词

B．枷锁　吊胃口　无济于事　张皇失措

C．缔造　打圆场　常年累月　义愤填膺

D．戳子　挖墙脚　甘拜下风　一愁莫展

Tom didn't go to school_______ this morning because he overslept.

A．at once

B．on time

C．by accident

D．at present