GPREP SC- 10

[abhasjha]

The Acoma and Hopi are probably the two oldest surviving Pueblo communities, both dating back at least a thousand years.

A. both dating

B. both of which have dated

C. and each has dated

D. and each one dating

E. each one of which date

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Hi abhasjha,

This SC comes down to a verb rule and a bit of style:

1) Verbs: The key to this SC is in noting that the Acoma and Hopi ARE probably the two oldest surviving communities....RIGHT NOW. Thus, we need a verb that reflects that fact (it can't be past tense). Eliminate B and C.

2) Style: Redundancy is considered "bad style" on the GMAT. For example, the phrase "combined together" is redundant because both of those words mean the same thing - so you don't need both. Here, the phrase "each one" is redundant. Eliminate D and E.

Final Answer: A

GMAT assassins aren't born, they're made,
Rich

[Jim@StratusPrep]

B is not right because 'have dated' implies that this no longer happens
C and D should are not right because you do not have an independent clause following it.
E 'date' would have to plural for this to be correct.

A