语法疑惑之3， 请牛人指点

1.the cottomtail rabbit population in OC, California, has increased unchecked in recent years as a result of the removal of the native fox population and the clearing of surrounding woodlands.
(B) years as a result of removing
(c) years, resulting from the removing of
(d) years, which is a result of removing
(e) years, which is a result of the removal of
正确选A， 与原文一样，可是C错在哪了啊？？？
the n of   the v+ing of  只有当v没有名词形式的时候才能用-ing  如果有名词形式就用名词形式
remove 的名词是 removal

2. an international team of astronomers working at telescopes in the C Islands and Spain has detected at least 18 huge gas spheres estimated to have 5 to 15 times the mass of Jupiter, the solar system's largest planet.
(b) astronomers working at telescopes in the C Isalnds and Spain has detected at least 218 huge gas spheres estimated to be 5 to 15 times Juptier's mass
正确选A， 可是B错哪了啊？？？
两个地方有错  1.the solar system's largest planet. 就近修饰那个星球 B不对
                      2.  一个 to be   一个 to have  我这个判断拿不准 我是认为to be 有将是的含义 而have已经有了 从句意更倾向have

3.3 Archaeologists in Egypt have excavated a 5000 year old wooden hull that is the earliest surviving example of a built boat - in other words, a boat constructed out of planks fitted together - and that thus represents a major advance , in terms of boat- building technology, over the dugout logs and reed vessels of more ancient vintage.
(c) together, and it represents
正确答案是A，我选C， C错是因为指代不清吗
这种that 界定的 如果逻辑主语一样必须加上that 否则指代不清  另加破折号中间的直接省略 用分号代替就行了

4. in some species of cricket, the number of chirps per minute used by the male for attracting females rise and fall in accordance with the surrounding temperature, and they can in fact serve as an approximate thermometer.
(d) to attract females rises and falls in accordance with the surrounding temperature, and it can in fact serve
(e) to attract females rises and falls in accordane with the surrounding temperature, in fact possibly serving
正确答案是D，但是E错哪了？？
E句意 事实上可能 到底是事实上还是可能呢？ 可能换成can 应该不错 ~~其实我总觉得D也不好。。。 应该是这虫子上窜瞎跳的形式作为气压计吧 it指代有问题    个人理解~~~~~