Sam O'Neill, Who Worked for the USGS, Could Have Borrowed

Sam O'Neill, who worked for the USGS, could have borrowed the company's work vehicles that day but chose to borrow Erica's vehicle. What was his response when asked this question by Lt. Jenkins?

A) no work vehicles were available that day
B) all of the work vehicles were down for repairs
C) he didn't want to use a vehicle that had the USGS logo.
D) this vehicle exchange was something Erica and Sam had planned to do several days in advance
E) none of the above.