[The ability of scientists to provide models of the atmosphere's complex responses to changing conditions, like seasonal and daily cycles or different planetary conjunctions, have become ever more accurate.] A The ability of scientists to provide models of the atmosphere's complex responses to changing conditions, like seasonal and daily cycles or different planetary conjunctions, have become ever more accurate. B The ability of scientists has become ever more accurate in providing models of the atmosphere's complex responses to changing conditions, such as seasonal and daily cycles or different planetary conjunctions. C Scientists have become able to provide ever more accurate models of the atmosphere's complex responses to such changing conditions as seasonal and daily cycles or different planetary conjunctions. D Scientists have become ever more accurate in their ability for providing models of the atmosphere's complex responses to changing conditions, like seasonal and daily cycles or different planetary conjunctions. E Scientists' ability to provide models of the atmosphere's complex responses to such changing conditions as seasonal and daily cycles or different planetary conjunctions have become ever more accurate.

老师，这道题为什么要用现在完成时呢？我觉得用蛇起源于四腿蜥蜴不是持续的动作，也没有持续的影响

请问老师这道题做题思路，可以理解为消序处理吗？比如八个字母排一列，A，B，C三个字母顺序不影响，排列方式为A（8，8）除A（3，3），如果是，为什么这么用？

请问may老师此题思路

请问may老师此题思路

请问may老师此题思路

请问may老师此题思路

请问may老师此题思路

请问may老师此题思路

请问may老师此题思路