rekhabishop wrote:
Could you please give a detailed explanation of each option? I fail to understand the flaw in the original sentence itself.
(A) assists them in mating, helping them to distinguish their own species
fromthat of others
(B)assist them in mating, helping them to distinguish their own species
fromthat of others
(C) assists them in mating, helping them to distinguish their own species
from those of others
(D) assiststheir mating,
...
