We are a CPA firm( )good business application software for microcomputers.
A、which currently seeking
B、which currently seek
C、is currently seeking
D、currently seeking
【正确答案】:D
【题目解析】:分词短语有现在分词和过去分词,用来修饰名词和名词短语,在句中做定语和状语。本句中seek和firm之间是主谓关系,因此用现在分词。A选项用了定语从句,但是从句里面没有谓语动词,B选项有谓语动词,但是主谓不一致,所以排除B选项,C选项中有谓语动词,但是不是从句,放在句中就出现了两个谓语动词,这样就不符合句子的结构,因此排除C选项。