李楠从晚报上得知某公司招聘进出口业务员一名，兹冒昧自荐。个人简介如下：今年 6月份毕业于北方城市建设大学经济管理系；学习成绩优秀，具有良好的解决问题的能力。如上述条件符合公司要求，请约期面谈。随函附上公司要求的身份证和毕业证复印件及近照两张。
Words for reference：
北方城市建设大学North University of Urban Construction
证书diploma
随函附上enclose

A．it is easy to find qualified technicians in darkrooms and photographic laboratories
B．photo production is an art and it is not easy to become skilled in the work
C．you will gain your sense of achievement if you know much about photographic industry
D．use of photograph in research and development is decreasing