关于涉及生物材料的专利申请，下列哪个情形是符合生物材料保藏要求的？（）
A.申请人自申请日起第2个月在国家知识产权局认可的保藏单位进行了生物保藏，并提交了保藏及存活证明
B.申请人于申请日前2个月在国家知识产权局认可的保藏单位进行了生物保藏，自申请日起第6个月提交了保藏及存活证明
C.申请人于申请日前半个月在国家知识产权局认可的保藏单位进行了生物保藏，自申请日起第2个月提交了保藏及存活证明
D.为防止泄密，申请人于申请日前2个月在其学校的国家重点生物实验室自行进行了生物保藏，自申请日起第2个月提交了保藏及存活证明
参考答案：C
You can reach almost any goal if you want to—but sometimes it takes great efforts to realize your dream． That was quite true for me．When I was 17 years old，I broke my father’s_____．He had saved enough from an average income to send me to college to become a lawyer．Three months later I was home telling him that I had left college — and for the first time I saw him ______. “Son，I’m always going to love you even though you’ll never achieve anything，’’he said with tears(眼泪)in his eyes． When I walked out of that room，I was burning with something within my body．Not everyone has the chance to feel it．I did not just want to______ — I had to． But I couldn't see how to do it and all the time my father’s words were in my mind. I become a salesperson．It was not______ because I knew almost nothing about marketing. Then a man introduced me to the Edwards training course．I went and learned a lot of useful______．I tried my best to put them to work．Soon after that，I started tasting the sweet fruits of Success for the first time． Some time later，I told the manager of my company that I would like to meet with Mr．Edwards．They arranged it for me．When the day came，I told him，“Mr. Edwards，my goal is to be able to train people just as you trained me．’’______，he agreed to let me try． All that came true because I set goals to make it happen．Sticking to the goal was the most important．
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