A-A+
This is one of the best books ______ on the su
问题详情
This is one of the best books ______ on the subject.
A．that have ever been written
B．which have ever been written
C．that has ever been written
D．whatever have been written
参考答案
正确答案：A
解析：因为先行词是复数，并且由形容词的最高级来修饰，所以只能选A。本句的意思是：“这是有关这个主题写得最好的书之一。”
