[求助]关于名词加名词的修饰

30．Transistors exhibit a high amplification factor, operate without being distorted over a wide frequency range, and can be made extremely small.

答案是B,没什么问题。问题是这里的frequency range对吗？这不就变成了名词修饰名词了吗？不是改成widely frequent range更好？

b错在哪里？

名词修饰名词是可以的，frequency是频率的意思。改成frequent就改变句子意思了