摘要：7．Yaogan Four, on Dec 2nd, 2008, is the 113th launch for China’s carrier series of Long March rockets. A．has been launched B．having been launched C．being launched D．to be launched

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Yaogan Four, ________ on Dec 2nd, 2008, is the 113th launch for China’s carrier series of Long March rockets．

A.
has been launched
B.
having been launched
C.
being launched
D.
to be launched

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[　　]

A．has been launched

B．having been launched

C．being launched

D．to be launched

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Yaogan Four, ________ on Dec 2nd, 2008, is the 113th launch for China’s carrier series of Long March rockets．

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