【答案】_______ loudly in public is rude, do you know?

_______ loudly in public is rude, do you know?

A. To shout B. Shouted C. Shout D. Shouts

【答案】

A

【解析】

句意：在公共场合大声说话是粗鲁的，你知道吗？在公共场合大声说话做句子的主语，shout动词，大声喊；动词做主语时用to do或doing结构，故选A