SORU: anlam bakımından parçanın bütünlüğünü bozan cümleyi bulunuz
(I) During World War II submarines played a key role in all the world's oceans. (II) In the Atlantic, German submarines began to sink British shipping far faster than it could be replaced. (III) Consequently, Britain came close to defeat. (IV) The British airforce continued to patrol the seas and protect shipping. (V) It was really only the discovery of submarine-detecting radar that saved her.