After thinking hard about why I did not have enough time for my schoolwork I became _____
专四
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After thinking hard about why I did not have enough time for my schoolwork, I became ______that I watched too much TV.
A．doubtful
B．worried
C．puzzled
D．aware
请帮忙给出正确答案和分析，谢谢！
热搜：i型呼吸衰竭主要见于什么
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正确答案：D
A项(became)doubtful“开始怀疑”；B项(became)worried“开始担心”；C项(became)puzzled“感到迷惑不解”；D项(became)aware“意识到"。按题句的意思“经过认真思考后”的结果应该是“意识到……”，所以D项符合句意要求。