公共英语考试

解析：Since I began to work here three y

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【单选题】 Since I began to work here three years ago, this factory ______ in size.
A．

[A] had doubled

B．

[B] has doubled

C．

[C] doubled

网考网参考答案：B
网考网解析：
since…表示过去某段时间起到现在的，谓语用现在完成时。查看试题解析出处>>