题目

   My First Marathon（马拉松） A month before my first marathon, one of my ankles was injured and this meant not running for two weeks, leaving me only two weeks to train. Yet, I was determined to go ahead. I remember back to my 7th year in school. In my first P.E. class, the teacher required us to run laps and then hit a softball. I didn’t do either well. He later informed me that I was ＂not athletic＂. The idea that I was ＂not athletic＂ stuck with me for years. When I started running in my 30s, I realized running was a battle against myself, not about competition or wh正常情况下,当人体局部活动增加时代谢产物增加,此时组织中的（  ）A．组织液增加，淋巴增加B．组织液减少，淋巴增加C．组织液增加，淋巴减少D．组织液减少，淋巴减少