拉姆萨认为是谁创造了电影的句法：（）
A.格里菲斯
B.安东尼奥尼
C.德吕克
D.巴赞
参考答案：A
Tom said he had been working for three hours, _____ ,evidently, was untrue.
A．he
B．this
C．it
D．which
井径的do表示井径输出为0时的井径值。
