---When was the People’s Liberation Army’s Navy founded?---It the April of 1949.
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---When was the People’s Liberation Army’s Navy founded?
---It ______the April of 1949.
A.dates to
B.dated back
C.dated from
D.dates back to
试题答案
D
考查动词短语辨析时态用法。date back to="date" from追溯到。