求教：885 sec-E 9.

885sec-E 9.                

    It takes a deft balance between savings discipline, investment knowledge, risk taking, luck, and time to raise a million dollars through investments.fficeffice" />

(A) It takes a deft balance between

(B) Deft balancing is needed between

(C) Deftly balanced, it takes

(D) It takes a deft balance of

(E) A deft balance is what one needs among

答案：D,我选的是E

请问E错在哪？是因为balance 不能和among搭配吗？还是别的原因？请大虾指点。