GMAT Sentence Correction (SC) | Re: It is called a sea, but the landlocked Caspian is actually

I received a PM on this one, so I am replying (though it is a good one and I would have replied anyways had I seen it first ).

In the original sentence, 'Earth' should not be modified by a phrase that is clearly intended to modify the Caspian Sea (I mean lake ). Thus, we can get rid of (A) and (B). Get rid of 'E' because of the wordy 'being.'

Now, I can tackle