We have to give the users something new ________ what we’ve already offered, which is the only way to broaden the appeal of the website.

A．regardless of

B．in addition to

C．in exchange for

D．according to

通过对某县进行营养调查，发现该县人群缺乏维生素A，已知当地以大米为主，水果蔬菜摄入较少，经济较贫困。那么可选择（）作为强化载体。

A.加工食品

B.小麦面

C.液体奶

D.大米

E.食用油