Now the nation’s top patent court appears completely ready to scale back on business-method patents, which have been controversial ever since they were first authorized 10 years ago.
请问老师,which 这个是非限定定语从句,他修饰的不应该是前面整句话吗?为什么翻译答案给的是修饰patents这个名词呢? to scale back 在这里是做补语还是状语呢?怎么区分to do是做补语还是状语呢?