<--[if !supportLists]--> <--[endif]-->Florida will gain another quarter-million jobs
this year alone, many of them in high-paying fields like electronics and
banking, making the state’s economy far more diversified than ten years
ago.

(A) high-paying fields like
electronics and banking, making the state’s economy far more diversified than

(B) high-paying fields like
electronics and banking, and making the state’s economy far more diversified
than its economy

(C) high-paying fields such as
electronics and banking, to make the state’s economy far more diversified than

(D) such high-paying fields as electronics
and banking, making the state’s economy far more diversified than it was（D）

(E) such high-paying fields as
electronics and banking, and make the state’s economy far more diversified than
it was

答案是D. 请问能不能省掉it was, 或者改成 than that ten years ago. 高手指教。