问题如下：
Which of the following cannot cause prepayment risk for auto loan receivables backed ABS?
选项：
A.
Early payoff.
B.
Repossession.
C.
Buy another vehicle.
解释：
C is correct.
Prepayment risk may arise from repossession, early payoff, insurance settlement from wreck, sale of vehicle etc.
early payoff是什么意思？