Bill and Ramona Blackhawk own a cabin in Forest Lakes, Arizona.They purchased the cabin in 1992 from Bud and Naomi Kelsoe, who had purchased the lot in 1975 and built their cabin on it in 1979.The Blackhawks used the cabin for long weekend get-aways-using the cabin about 14 times each year.On Memorial Day weekend in 1993, Ramona noticed a truck and trailer (mobile home) traveling across their lot to another lot.When Bill and Ramona confronted the driver, he responded, "Bud and Naomi have let me drive my trailer through here each Memorial Day and Labor Day since 1977."The period for adverse possession in Arizona is 10 years.

a.The driver has a license which passed with the land.

b.The driver has acquired an easement by prescription.

c.The driver has a license which can be revoked.

d.None of the above