单项选择题

听下面一段对话，回答下列问题。
What was the speaker doing when the customer walked one morning().

A. Planting some trees in the backyard.
B. Reading a want ad from a local newspaper.
C. Putting up a "going out of business" sign.

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A. Low temperature.
B. Terrible weather.
C. An unsuccessful operation.

听下面一段对话，回答下列问题。 What was the speaker doing when the customer walked one morning(). 您的浏览器不支持 audio 元素。