Among the many breeds of dogs that have developed over the last two centuries, some have been bred for specific tasks like herding or guarding owners.

(a) Among the many breeds of dogs that have developed over the last two centuries, some have been bred for specific tasks like herding or guarding owners
(b) Between the many breeds of dogs that were developed over the last two centuries, specific tasks have been bred into some, such as herding or guarding owners
(c) Many breeds of dogs have developed over the last centuries, some for specific tasks like herding and guarding owners.
(d) Over the last two centuries, many breeds of dogs have been developed, some for specific tasks such as herding or guarding owners
(e) Among the many breeds of dogs that had developed over the last two centuries, specific tasks such as herding or guarding owners have been bred into some


OA D

Source: Princeton Review