pradeepkaushal9518 wrote:PLZ EX
Skeleton of B:
Neuroscientists and are...
--> It is a fragment.
-->They are reading and are seeing the bird.
Think about C:
N
euroscientists amassing XX, and are
-->It also lacks verb in the first half.
Thinks about D:
Neuroscientists have amassed a wealth of knowledge over past twenty years about the brain and its development from birth to
adulthood, now drawing solid conclusions about the human brain grows and how babies acquire language.
--> The second half does not have a subject and helping verb. Comma + FANBOYS is the correct form, but there is not FANBOYS after comma.
Think about E:
Neuroscientists have amassed XX now drawing...
--> Does this make sense?
Answer is A.