是应该选A,which 通常引导的是定语从句,但这个句子中空格前面没有要修饰的名词,故应该用what引到一个表语从句,what在从句中作宾语.
要改成如下时可用which:
she has been in a state which doctors describe as a vegetative state for six years.她已经处于医生说的植物人状态六年了.
是应该选A,which 通常引导的是定语从句,但这个句子中空格前面没有要修饰的名词,故应该用what引到一个表语从句,what在从句中作宾语.
要改成如下时可用which:
she has been in a state which doctors describe as a vegetative state for six years.她已经处于医生说的植物人状态六年了.