His speech was heard by a group of five judges , all of_____
1个回答

答案A

试题分析:考查定语从句.本题定语从句的先行词是judges,whom指代先行词作为of的宾语.C项不是关系词;that不能放在介词的后面;who通常只作主语.故A正确.

考点:考查定语从句

点评:定语从句的考查关键是分析句子成分,如果句子很完整就使用关系副词,如果句中缺少主语,宾语,表语或者定语则使用关系代词.同时也要注意一些特殊的用法.