The following types of materials are usually the most ductile__________________?

(A)  body-centred cubic lattice  (X)
(B)  hexagonal close-packed lattice  (X)
(C)  face-centred cubic lattice ()
(D)  all of the above  (X)
(E) none of the above  (X)

Answers: The following types of materials are usually the most ductile face-centred cubic lattice.