GMAT Sentence Correction (SC) | Re: To gain a competitive advantage, a well established credit

To gain a competitive advantage, a well established credit card company launched a new programwith the aim to simplify online payments and increase customer loyalty.
(A) with the aim to simplify online payments and increase
(B) aimed at the simplification of online payments and increasing
(C) aimed at simplifying online payments and increasing
(D) aiming at simplifying of online payments and the increase of
(E) aimed at the simplifying of online payments and increasing
OE to follow after discussions....