in the last sentence, "K. 595" probably means a _______

单选题in the last sentence, "K. 595" probably means a ________.

推断题型前一句提到：我不用说什么了，此句说：就把K 595放进留声机，(让它)来替我说吧；因此可知A为答案。

1根据下列材料,回答题：

By“for evaluating new technology”in the first sentence．the author most probably means to refer to _______ new products．

2A“disk jockey”is most possibly a ________．

3Where the words“without support from major record companies”are，the context reads that music broadcast programs _________ record companies．