Multiple choice:There is an ordered table with length of 11, which is searched by binary search method. The average search length is () when the elements in the table have equal probability.

There is an ordered table with length of 11, which is searched by binary search method. The average search length is () when the elements in the table have equal probability@[ C](2)
A. 30/11
B. 33/12
C. 3
D. 2




A.30/11
B.33/12
C.3
D.2


answer：C