void

OA is A, features - - refers to Solar system.

Conjugated Verb form? In the search for alien life, astronomers have recently begun studying a promising region, a solar system that is populated by a number of potentially life-friendly planets formed by fragments of an exploding star some 7 million years ago and features many of the geological and climatic prerequisites for the evolution of life. A]features b]featured C]had featured D]featuring E]feature Can any one explain the use of verb forms Underlined and Bolded?

In the search for alien life, astronomers have recently begun studying a promising region, a solar system that is populated by a number of potentially life-friendly planets formed by fragments of an exploding star some 7 million years ago and features many of the geological and climatic prerequisites for the evolution of life. A]features b]featured C]had featured D]featuring E]feature Can any one explain the use of verb forms Underlined and Bolded?

thnx varun......MGMAT illustration was good, m gonna start my MGMATs today..... do u think MGMATs were close to GMAT?

The non-underlined portion of the sentence uses - purchasing, that means present continous form, hence B agrees...

A and B use incorrect in which , we are referring to age as in some piece of time, so we need when C - where is wronglt modifying existed D current modifying temperate, wrong E - is perfect choice, when ...in areas now that are temperate, correct tense usage as wel....