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题目内容
（华北水利水电大学混凝土结构设计原理）
During his stay in the National Biscuit Company, ______. ( )(本题0.5分)
A、 he founded Arnold Bakery
B、 he tried a new method of baking
C、 he helped the company improve their production
D、 he became successful in his business
A、 he founded Arnold Bakery
B、 he tried a new method of baking
C、 he helped the company improve their production
D、 he became successful in his business
参考答案