单选题：In hashig with open addressing method，rehashing is definitely ne

In hashig with open addressing method，rehashing is definitely necessary when __.
@[A](3)

A. an insertion fails
B. the hash table is half full
C. primary clustering occurs
D. the hash function is not uniform



A.an insertion fails
B.the hash table is half full
C.primary clustering occurs
D.the hash function is not uniform


答案：A