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. 下面是对B的解释： (B) The knowledge that scientists know about…表达方式罗嗦；过去分词结构located…修饰对象不 清楚；that is指代不清楚。
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The success of the program to eradicate smallpox has stimulated experts to pursue what they had not previously considered possible--better control, if not eradication, of the other infections such as measles and yaws.
(A) what they had not previously considered possible--better control, if not eradication, of the other infections such as (B) what they had not previously considered a possibility--better control, if not eradication, of such infections like (C) something they had not previously considered possible-better control, if not eradication, of such infections as (D) something not considered a previous possibility--better control and perhaps eradication, of other infections such as (E) the possibility of what they had not previously considered--better control and possibly eradication of infections like 下面是对A的解释： (A) something代替名词从句，简洁；the other结构不完整，应该是one… the other搭配。如果能用名词替代一个名词性从句，优先选名词（比如something, probability, likelihood等）。
