好吧改个标题求解答求解答TAT

cheerlee

Carnivorous mammals can endure what would otherwise be lethal levels of body heat because they have a heat-exchange network (which kept) the brain from getting too hot. A. which kept B. that keeps C. which has kept D. that has been keeping E. having kept

答案B，题目没什么问题。我想问的是og上的解释。
“Some writers follow the convention that which can only be used for nonrestrictive clauses, but insistence on this rule is controversial, and both A and C can be rejected on other grounds."
请问意思是which也可以用在限定性从句中？？？

谢谢~

cheerlee

求解答。。。。。TAT

cheerlee

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