A.What was the weather like yesterday?

B.Is it sunny today?

C.What's the weather like today?

【答案】A

【解析】

本题考查询问天气。A.昨天天气怎么样？B.今天天气晴朗吗？C.今天天气怎么样？你想知道昨天的天气怎么样，昨天yesterday，应该问：What was the weather like yesterday?

故选：A。