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It was President Xi Jinping ________ visited the navy troops and urged to strengthen naval force on April 9,2013.

A.when / _: S. C- F# ]- Z7 V3 Z B.which8 ^/ I' V/ i ]" h4 ?( ]
C.that * i: N7 R; T+ a) A( M3 d# Z D.he) V+ F1 @% X0 W' J! h

答案C

解析