IT IS POSSIBLE THAT THE FIRE ON THE SHIP WAS STARTED BY A BOMB

Câu 35 (VD): It is possible that the fire on the ship was started by a bomb. A. The fire in the ship might have been started by a bomb. B. They say that a bomb started the fire on the ship. C. It shall be said the fire in the ship had been started by a bomb. D. The fire in the ship is known to have been started by a bomb.