Marco Polo is said to have sailed on Pacific Ocean on his way to Java in thirteenth centur

Marco Polo is said to have sailed on Pacific Ocean on his way to Java in thirteenth century.
A. the; a
B. a;不填
C. 不填;the
D. the; the

A. the; aB. a;不填C. 不填;the (答案→)D. the; the解析：第一个空海洋名称是专有名词用定冠词the，第二个空是世纪年代用定冠词the。句意：据说，13 世纪时，马可·波罗在去爪哇岛的途中就已经在太平洋上航行过。【考点定位】考查冠词

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