题目

Teddy' s Bear The story of how the teddy bear was invented is an interesting one. In 1902, American president Theodore (Teddy) Roosevelt was hunting (打猎) in the forest with several of his friends. Almost everyone had successfully shot (射中) an animal, but the president   56   not.  Nobody wanted to make the president look   57  , so they tied an American black bear to a   58   . They wanted the president to shoot (射中) it. The president was very surprised to see the bear tied to a tree. He felt it was   59   to shoot the bear, because it couldn't run away. He This is a difficult and stressful job, but one ________ you can really help people． [　　] A． that B． where C． which D． of which