The driver was at loss when word came that he was forbidden to drive for speeding.A. a the

问题补充：

The driver was at loss when word came that he was forbidden to drive for speeding.

A. a,the

B. /,/

C. the,the

D. a,/

答案：

A. a,the

B. /,/

C. the,the

(答案→)D. a,/

解析：that引导的是同位语从句，做word 的同位语。at a loss困惑， 不知所措，亏本地；word的基本意思是“单词”,指语言中能独立存在的最小表意单位,也可指“(说的)话,话语,言语,谈话”等,是可数名词。

word也可作“消息,信息,谣言”“口令,号令,命令”等解,通常用作单数形式,作“消息,信息,谣言”解时,一般不与冠词连用,但作“口令,号令,命令”解时,可与定冠词the连用。

word还可作“诺言,保证”解,通常用作单数形式。 故选D。