How many 6's are there in the following series of numbers which are preceded by 7 but not immediately followed by 9 ?
6 7 9 5 6 9 7 6 8 7 6 7 8 6 9 4 6 7 7 6 9 5 7 6 3
Option:
A. One
B. Two
C. Three
D. Four
