Question

【题目】It was ______ weather that they decided to go out for a picnic．

A. such fineB. such a fine

C. so fineD. so fine a

Answer 1

【答案】A

【解析】

句意：天气这么好，他们决定出去野餐。

“so/such…that”表示“如此……以至于……”，引导结果状语从句。so修饰形容词或副词原形；such修饰名词或名词性短语。句中weather（天气）是不可数名词，不可用不定冠词和so修饰，可排除BCD三项。根据句意结构和语境，可知选A。