The Middle Stone Age is marked by the intelligent manufacture by the tribals of glues used for fixing honed heads to the spears and arrows
The Middle Stone Age is extended for 200,000 years from 300,000 BC TO 500,000 BC,
a complex process that requires far more abstract perception than modern technology
in the absence empirical means of observation
Meaning :
Sentence Tells about the Age in the past & presents a Comparison between earlier technology and modern technology.
Process of Elimination:
A : a complex process that requires far more abstract perception than modern technology
Illogical comparison,
Verb is missing after "than"
B : was extended for 200,000 years from 300,000 BC TO 500,000 BC, marked by the intelligent manufacture by the tribal of glues used for fixing honed heads to the spears and arrows, a complex process that, in the absence empirical means of observation, required far more mental and abstract perception than
Clause, Verbed modifier cannot modify subject of the clause
No Verb in second clause
Verb is missing after "than"
C: extended for 200,000 years from 300,000 BC TO 500,000 BC, was marked by the intelligent manufacture by the tribals of glues which they used for fixing honed heads to the spears and arrows, a complex process that, in the absence empirical means of observation, required far more mental and abstract perception than
Verb is missing after "than"
In GMAT, Usually "Comma" preceeds "which"
D:extending for 200,000 years from 300,000 BC TO 500,000 BC, and marked by the intelligent manufacture by the tribals of glues used for fixing honed heads to the spears and arrows, a complex process that in the absence empirical means of observation, requires far more mental and abstract perception than
The Middle Stone Age,
extending for 200,000 years from 300,000 BC TO 500,000 BC,
and
marked by the intelligent manufacture by the tribals of glues used for fixing honed heads to the spears and arrows,
a complex process that in the absence empirical means of observation, requires far more mental and abstract perception than
No verb after The middle stone Age.
Illogical That clause
Verb is missing after "than"
E: extended for 200,000 years from 300,000 BC TO 500,000 BC, was marked by the intelligent manufacture by the tribals of glues used for fixing honed heads to the spears and arrows, a complex process that, in the absence empirical means of observation, required far more mental and abstract perception than does
The Middle Stone Age was marked by the intelligent manufacture by the tribals of glues used for fixing honed heads to the spears and arrows,
The Middle Stone Age extended for 200,000 years from 300,000 BC TO 500,000 BC,
a complex process that required far more mental and abstract perception than does modern technology
, in the absence empirical means of observation,
So E is the Correct Answer