—Can I help you? —Yes. I want two eggs.A. dozenB. dozensC. dozens ofD. dozen of

问题补充：

—Can I help you?

—Yes. I want two eggs.

A. dozen

B. dozens

C. dozens of

D. dozen of

答案：

(答案→)A. dozen

B. dozens

C. dozens of

D. dozen of

解析：英语中dozen和数词连用表示具体含义，用单数形式；和of连用表示大概数字，用复数形式。句意：能帮您什么忙吗？——是的，我想要两打鸡蛋。结合语境可知本句中表示具体数字，故选A。