单选题
At the end of the 19th century, Shanghai _______ a small town on the Huangpu River.
A、
had remained
B、
was remained
C、
was remaining
D、
remained
【正确答案】
D
【答案解析】
本题考查时态。主语Shanghai与谓语remain“保留”是主谓关系,根据句中时间“19世纪末”确定用一般过去时。
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