And stopping by ( since our office is only 20 minutes from my house ) . He and I have become true friends over the last 7 years and I know that I will be missed , which is a good feeling really .

Based on the preceding passage, choose your answer for question How many years have they been friends ?
OPTIONS:
a). between 8 and 10 years.
b). Between 2 and 6 years.
c). Between 1 and 5 years.
d). Between 6 and 8 years.
The answer is:
d).