[求助]98-05-14菜鸟求助！

happygg

14.First designated in 1970, Earth Day has become an annual international event     concerns about environmental issues such as pollution.

(A)     dedicated to raising

(B)      dedicated raising

(C)     dedicates to raise

(D)  that dedicates to raising

答案是A，请问D为什么不可以啊？

真老九

be dedicated to....致力于..        是.固定搭配词组

zhuzhu1973

dedicated 表完成状态吧?

pengstone

应该也有被动的意思