Eventually, the soldiers made ___ breakthrough and ____ D-Day landings were successful.

A．the; the

B．the; a

C．a; the

D．a ; a

近期我国南方部分省市遭受洪涝灾害，某地通过多报受灾面积的方法，获得国家的税收优惠政策。此行为属于（）

A.抗税行为

B.骗税行为

C.欠税行为

D.偷税行为