I was too excited to fall asleep that night as I ________ of seeing Yang Liwei, the first Chinese astronaut.A.am thinkingB.thoughtC.was thinkingD.think
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B解析依题意可将全句译为:那天晚上我一想起看见杨利伟,中国第一个宇航员的情景,就激动得睡不着觉。因此应选择thought (think的过去式) 与前半句时态保持一致。think of意为“想起”。