题目

As you grow rapidly through your teenage years, you will experience a lot of changes. The changes may seem difficult and they may seem to happen quickly. Don't panic! You will deal successfully with them! You are a young adult now! With more responsibility, you will find more freedom to make your own choices. This is a time to be well informed about your choices so that you can make healthy balanced decisions that will help shape your future. You may already know your career path or you may have no idea at all what you want to do. Both situations are fine! Work hard and the right oppor被誉为“神州试管婴儿之母”的张丽珠教授运用下列哪种现代技术培育出试管婴儿，给许多不孕症患者带来了福音（   ） A.生物             B.化学               C.物理               D.数学