What are the last two digits of \((301\cdot402\cdot 503\cdot604\cdot646\cdot547\cdot448\cdot 349)^2.\)

[Vincen]

What are the last two digits of \((301\cdot402\cdot 503\cdot604\cdot646\cdot547\cdot448\cdot 349)^2.\)

(A) 96
(B) 76
(C) 56
(D) 36
(E) 16

[spoiler]OA=B[/spoiler]

Source: Magoosh