souvik101990 wrote:
In A and B, equivalent does not convey the intended meaning. EQUIVALENT means "of equal value". We cannot say that 3.5 billion people are "of equal value" to another group of people. Eliminate A and B.
In C, we cannot say that 3.5 BILLION PEOPLE are equal to THOSE who reside in all the other areas of the world. The PEOPLE themselves are not equal; the NUMBER of people is equal. Eliminate C.
In D, as is used to compare actions, but it is not clear what action is being performed
...






