摘要：Christmas lights appeared in the streets,and we attended the town carol service. A.a kind of job B.a joyful song C.a kind of plant
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Choose the right description of the underlined part in each sentence．
(选出对句中画线部分描述正确的选项。)
With December our excitement grew each day－as we opened the new year calendar, Christmas cards arrived in the post, Christmas lights appeared in the streets, and we attended the town carol service．
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A．表示原因
B．表示伴随
C．表示条件