单选题：Insert $\{18, 23, 4, 26, 33, 31,17, 39\}$ one by one into a hash

Insert $\{18, 23, 4, 26, 33, 31,17, 39\}$ one by one into a hash table of size 13 with the hash function $H(x)=x\%13$, and linear probing is used to resolve collisions. What is the loading density when the first collision occurs?




A.0.31
B.0.23
C.0.46
D.0.38


答案：D