Sentence Correction

I think the correct answer is 'A', instead of B. Answer B violates the parallelism as three items are not in parallel. Please help me out....

Building on civilizations that preceded them in coastal
Peru, the Mochica developed their own elaborate
society, based on cultivating such crops like corn and
beans, the harvesting of fish and shellfish, and
exploiting other wild and domestic resources.
[/color]
(A) based on cultivating such crops like corn and
beans, the harvesting of fish and shellfish, and
exploiting
(B) based on the cultivation of such crops as corn
and beans, the harvesting of fish and seafood,
and the exploitation of
(C) and basing it on the cultivation of crops like corn
and beans, harvesting fish and seafood, and the
exploiting of
(D) and they based it on their cultivation of crops
such as corn and beans, the harvest of fish and
seafood, and exploiting
(E) and they based it on their cultivating such crops
like corn and beans, their harvest of fish and
shellfish, and they exploited<i class="em em-confused"></i><i class="em em-confused"></i>

parallelism can be seen as second option to eliminate, First you can refer to other two things which are violated in options.

Such as vs like :
Option A uses both of these, Incorrect.
You can use such as only as giving examples . You are not comparing crops

C,D,E also wrong for this,
Also in D,E use of they is wrong, No clear antecedent, Peru or Mochica : Not clear

Now parallelism in B : parallelism is not strict that all three have to ING ,, In many cases you will see, First there is one action and other two are result of that action which need to be parallel.

Here they do something based on ...... , verb ing , verb ing,
Thus its parallel.
Between A and B elimination is more on Such as vs like rather than II ism



-----------------------------------------------
Up vote if its of least help to you