—How manyare there in the basket? —There’s only one. A. tomatoes B. potatos C. carrotes

问题补充：

—How manyare there in the basket?

—There’s only one.

A. tomatoes B. potatos C. carrotes

答案：

解析：how many对数量提问，后应跟可数名词复数，tomato和potato的复数是加es，故不选AB，故选C。