单选题：Many patients insist on having watches with them in hospital

题目内容：

Many patients insist on having watches with them in hospital, ________ they have no schedules to keep. A．even though
B．for
C．as if
D．since

参考答案：

答案解析：

As the old empires were broken up and new states were formed

As the old empires were broken up and new states were formed, new official tongu

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