(A) 1/12 of strain at the initiation of strain hardening and about 1/120 of maxi-mum strain
(B) 1/2 of strain at the initiation of strain hardening and about 1/12 of maxi-mum strain
(C) 1/12 of strain at the initiation of strain hardening and 1/200 of maximum strain
(D) 1/24 of strain at the initiation of strain hardening and about 1/200 of maximum strain

