我觉得应该是A而不是E，E明显错了：不是所有phocids都是在哺乳期全部结束后在觅食，文中大部分内容就是在讲那个特例。
而A才是明显正确的，phocids的哺乳期普遍较短！
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13号回答你...
不过麻烦顺手把题目贴出来可以吗...多谢了...
until
if something happens until a particular time, it continues and then stops at that time
The ticket is valid until March.
以上是longman中对until的解释。所以这题应该是问旧观点，而A中是新观点。
在天山7这套题的第一篇开头也用了until，“the idea....remained unchallenged until the movement ...of 1970" ，也是同样的意思。
可惜，我这题也选了A，后来看到答案才知道错，主要是做题时分不清until和not until
open to discuss
The article has two major points:
1. The recent finding, line 1 to line 29
2. The explanation to the finding, line 30 to the end(line 56)
So the two topics are well balanced, and thus in question 34, answer D is perferable to A.
According to line 1 to line 23 of the article, the major difference between the two type of animals is whether they feed during their lactation. This is why we choose E in quesiton 35. The A in quesiton 35 kind of beats about the bush and thus is somehow away from the point. Besides, the respective fasting periods are 5 to 11 days and 4 to 50 days -- that is-- we cannot assert that one is longer/shorter than the other.
Regarding question 36, we cannot quickly rule out the option B as the example here is actually not a TYPICAL one. To support the conclusion the maternal strategy of such seal is related to the size of body, the author raises the example in which the similarly sized animal is mentioned and juxtaposes the two species of animals.
And, I suggest read the article comprehensively enough and try to grasp what the author WANTS to manifest. Just feel free to post any further concerns here. Wish this helps.
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