单项选择题

In the second half of the 19th century many great inventions were made.

A．在十九世纪晚期，人们制造了很多重要的东西。
B．在十九世纪下半叶，有了很多重大发明。
C．在十九世纪下半叶，人们制造了很多重要的东西。
D．在十九世纪晚期，有了很多重大发明。
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