____ all kinds of knowledge ,he was admitted to a key university.
A.Equipped with
B.Having equipped for
C.Armed for
D.Having armed with
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A解析考查非谓语动词（与主句动作无先后关系）,此处有具有之意，with符合。arm/equip sb. with sth. →be armed/ equipped withArmed with special guns, knives and brushes, two spacewalking astronauts practiced fixing the spacecraft.