What Did Lanfranc Teach on the Doctrine of Transubstantiation

What did Lanfranc teach on the doctrine of transubstantiation?

A) Jesus's physical body was transformed while on the cross.
B) The relics of martyrs contained miraculous power.
C) Christians will be transformed into celestial beings at the last Judgement.
D) Alchemists were heretics to believe that metals could be transformed.
E) Sacraments in the Eucharist upon the priest's prayer became the very body and blood of Christ.