Three-fifths of the cattle ________ sold abroad in the city.

A.has

B.has been

C.have

D.have been

答案及解析： D

解析：

“分数/百分数+名词”作主语时，谓语动词的数应根据名词来判断。cattle是一个形单意复的名词，它作主语时，谓语动词应用复数形式。因为sell与cattle存在逻辑上的动宾关系，故用have been sold.