题干
—Hey, Mary. Is the film ________?
— Hi, Tom. I think the film is ________.
A：worth seeing; worthwhile to be seen
B：worthy to be seen; worthwhile to see
C：worthwhile to see; worth seeing
D：worth seeing; worthy of being seen
答案(点此获取答案解析）
D
，则9117用算筹可表示为（ ）