單選題

Choose the CORRECT sentence

 (A) Follow the traffic rules _if you are walking, riding a bike, or driving a car_.

 (B) _I seemed to have taken the wrong_ bus when it did not tum left at the comer.

 (C) Every June, most high school seniors in Taiwan _are very busy to prepare for examinations_.

 (D) _lt's created by scientists from Australia_, it promotes the breeding of clown fish in captivity so that fewer of them will betaken from the ocean