请教关于means的介词搭配

means of和means to都存在是吧，请问两者有什么区别吗？例题：

19. More and more in recent years, cities are stressing the arts as a means to greater economic development and investing millions of dollars in cultural activities, despite strained municipal budgets and fading federal support.
(A) to greater economic development and investing
(B) to greater development economically and investing
(C) of greater economic development and invest
(D) of greater development economically and invest
(E) for greater economic development and the investment of

答案是A，如果把C的investing是不是也对呢？