T-9-Q13. 987-184 ??

T-9-Q13. 987-184  ??

Building large new hospitals in the bistate area would constitute a wasteful use of resources, on the basis of avoidance of duplicated facilities alone.
        

A.              on the basis of avoidance of duplicated facilities alone

B.              on the grounds of avoiding duplicated facilities alone

C.              solely in that duplicated facilities should be avoided

D.             while the duplication of facilities should be avoided

E.       if only because the duplication of facilities should be avoided

avoid的是duplication，不是facilites，所以只有E。看了原来发的帖子，还是不解？其他选项怎么排除？