再问og 27 mole rat那篇

brissa

The queen of the largest member of the colony, and
she maintains her breeding status through a mixture of
behavioral and, presumably, chemical control.

亮兰部分怎么翻译？是说queen是the largest member之一呢？还是说queen就是the largest.有且只有这么一个largest member就是queen?

这种of短语结构不是表明包含关系吗，所以应该是第一种解释更合理啊，可是题目163认为A是事实

163. According to the passage, which of the following is a
supposition rather than a fact concerning the queen in a
naked mole rat colony?
(A) She is the largest member of the colony.
(B) She exerts chemical control over the colony.
(C) She mates with more than one male.
(D) She attains her status through aggression.
(E) She is the only breeding female.

当然我知道presumably更合适。但我看文章的时候就是忽略了这个词。觉得A对。

另外163中的C，在原文哪里有？如果是infer出来的应该也不算fact吧？

165. According to the passage, naked mole rat colonies may differ from all other known vertebrate groups in which
of the following ways?
(A) Naked mole rats exhibit an extreme form of altruism.
(B) Naked mole rats are cooperative breeders.
(C) Among naked mole rats, many males are permitted to breed with a single dominant female.
(D) Among naked mole rats, different tasks are performed at different times in an individual’s life.
(E) Among naked mole rats, fighting results in the selection of a breeding female.

165题是在问不同点。我对C有疑问。原文对应是：and mating
by subordinate females may not be totally suppressed,
(40) whereas in naked mole rat colonies subordinate females are
not sexually active, and many never breed.

是否是这样理解：

rat: 只允许一个雌性

most vertebrates: 可跟一个，也可跟多个

这难道不是区别吗？c为什么不对？