求解答，JJ题。

G_will

Possible long-term consequences of the “greenhouseeffect,” the gradual warming of the Earth’s climate, may include melting thepolar ice caps and a rising sea level.
A. may include melting the polar ice caps and a rising sea level
B. may include the melting of polar ice caps and the rising sea level
C. may include polar ice caps that are melting and sea levels that are rising
D. include melting the polar ice caps and sea levels that are rising
E. include melting of the polar ice caps and a rise in sea level

答案是E
B为什么错了？may不是一般不变的吗？

zhaogeorge

B当中，the特指某一特定现象，而不是融化的过程，而且B当中两部分的结构对账不够工整。根据GMAT法则，情态动词的确不应该省略，但是也不是绝对的吧。