So the aircraft crashed because the right thrust lever was not pulled back to idle by the flight crew.
This was due to: (one or more answers may be correct)
A. Design flaws by Airbus, which may cause confusion and/or ambiguities with respect to thrust lever handling upon touchdown
B. Inadequate training by TAM, which resulted in substandard technical knowlegde of aircaft systems and/or incorrect flight techniques
C. Very good training by TAM but despite this, usage of incorrect flight techniques
D. Both A and B
E. Both A and C