----You just think of yourself! You kept me waiting for at least three hours．----I am sorr

问题补充：

----You just think of yourself! You kept me waiting for at least three hours．

----I am sorry that you think so.

A. would

B. might

C. could

D. should

答案：

A. would

B. might

C. could

(答案→)D. should

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