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

多台电动机在起动时应（）。

A、按容量从大到小逐台起动

B、任意逐台起动

C、按容量从小到大逐台起动

D、按位置顺序起动