—Are there any in the picture?—Yes there are. A. fish B. pork C. beef

问题补充：

—Are there any in the picture?

—Yes, there are.

A. fish B. pork C. beef

答案：

解析：考查名词。B与C都是不可数名词，be动词用单数；fish表示鱼的数量时，单数和复数同形。故选A。