Which of the Following Best Fits an Application of the Wingspread

Which of the following best fits an application of the Wingspread criteria to the Camry case?

A) Until the engineers could prove the software was responsible, no precautionary measures were necessary.
B) Precautionary measures become necessary once it is known that risk is possible from software malfunction.
C) Once it is reasonable to believe the software caused acceleration, precautionary measures were reasonable.
D) None of the above