In the living room was a beautifulkeyboard with a note: "To my wonderful mother, all my love, your

son. "  I was so ____ . It had been a long-standing jokein our family that I wanted a piano so that I

could take lessons.     [ ]

A. satisfieded                  

B. confused      

C. astonished                  

D. excited

为安装进口设备，聘用外国工程技术人员进行指导所发生的费用应计入( )。

A．研究试验费

B．工程承包费

C．引进技术和进口设备其他费用

D．生产准备费