karthikgmat wrote:IMO B . Maintains correct structure.

GmatKiss wrote:

nidhis.1408 wrote:According to anthropologists, the use of human language covers a wide spectrum from practical communication between people engaged in the same task to establishing hierarchy within a social group.
a.practical communication between people engaged in the same task to establishing hierarchy
b.communicating practically between people engaging in the same task to the establishment of hierarchy
c.practical communication between people engaged in the same task to the establishing of hierarchy
d.communicating practically between people engaging in the same task to hierarchy established
e.practical communication between people engaged in the same task to the establishment of hierarchy

IMO: E


I find this a little confusing. Can somebody give a good explanation for the answer

avik.ch wrote:The correct idioms is : from X to Y ( both X and Y should be noun or a noun phrase)

A - practical communication - noun, here practical( adj) is modifying communication(noun)
establishing - verb .
not parallel structure

B - communicating - verb,
"the establishment of" - noun ( its a complex gerund)
not parallel structure

C - "the establishing of" - is wrong . it should be "the establishment of" - complex gerund

D - this is parallel but it is verb + verb, so this is not acceptable as I explained above


E - "practical communication " - noun
"establishment of hierarchy" - noun, complex gerund
Both parallel structure

I hope this helps !!