请教JUST AS+SO的用法，例PREP-1-48

48.        (27067-!-item-!-188;#058&003096)

Whereas scientists, because of random fluctuations in the weather, cannot determine the transition from one season to the next by monitoring temperatures on a daily basis, so they cannot determine the onset of global warming by monitoring average annual temperatures.

(A) Whereas scientists    A

(B) Just as scientists  just as…so 句型

(C) Like scientists who

(D) Inasmuch as a scientist 

(E) In the same way a scientist

请教JUST AS+SO的用法： 1）是何意思。2）用法。

请教。。。多谢啊！！！！

just as A do, so B do

B do, just as A do

just as A do, so too do B

简单易懂的回复。

非常感谢大侠。

Thanks!