一道PREP 求解决我的一点困惑

shunliqumeiguo

6.(24681-!-item-!-188;#058&001533)

From studies of the bony house of the brain, which is the cranium, located in the back of the skull, come what scientists know about dinosaur brains.

(A) From studies of the bony house of the brain, which is the cranium, located in the back of the skull, come what scientists know about dinosaur brains.

(B) The knowledge that scientists know about dinosaur brains comes from studies of the bony house of the brain, located in the back of the skull, that is, the cranium.

(C) The knowledge of dinosaur brains that scientists have come from studies of the bony house of the brain, which is located in the back of the skull and is called the cranium.

(D) What scientists know about dinosaur brains comes from studies of the cranium, the bony house of the brain located in the back of the skull.

(E) Located in the back of the skull is the cranium, the bony house of the brain, and it is from studies of this that scientists know what they know about dinosaur brains.

答案： D

我不明白C为什么错，prep解释说是选项中的 红色区域 指代了蓝色区域，所以错了。当句子的本意就就是这个意思吗？
求指点！

shunliqumeiguo

求指点啊！！！