Subterranean termites have colonies about the same size as carpenter ants but far more workers foraging for food, all of whom are capable to convert the cellulose in wood products into sugar to utilize them as a food source.
A. about the same size as carpenter ants but far more workers foraging for food, all of whom are capable to convert the cellulose in wood products into sugar to utilize them :-
Incorrect. wrong comparison, colonies are compared with ant also use Plural Pronoun "them" for singular noun "sugar is incorrect".
B. comparable to the size of carpenter ants, but they have far more workers who forage for food, and all of them are capable of converting the cellulose in wood products into sugar, utilizing them.
Incorrect. wrong comparison, colonies are compared with ant also use Plural Pronoun "them" for singular noun "sugar is incorrect".
C. that are about the same size as carpenter ants’ colonies, but the termites with far more workers foraging for food, all of them are capable of converting the cellulose in wood products into sugar and utilizing it :-
but the termites............. here termites have no verb D. comparable to those of carpenter ants but far more workers foraging for food, all of whom are capable of converting the cellulose in wood products into sugar to utilize it :-
This is clear and conciseE. comparable to that of carpenter ants but far more workers foraging for food, and all of them are capable to convert the cellulose in wood products into sugar and to utilize it :-
singular that is used to refer plural colonies, those must be used