A
句意:某个人不耐烦地大喊。
A.不耐烦地; B.不礼貌地;
C.开心地; D.友善地
根据第二段第一行:
“Turn that tap off,” a voice said loudly.
“关掉那个水龙头,”一个声音大声地说。
以及第二段第二行:
“Turn that tap off. You are wasting water!”
“关掉那个水龙头,你这是在浪费水!”
可知,水滴说了两遍关掉水龙头,并且第二遍shout(大喊)比第一遍said(说)情绪更强烈,结合选项含义,应该是不耐烦地大喊,即shout impatiently。故答案选A。