请教一道GWD的题

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
答案是C

A
为什么错
C怎么会是答案呢 in that不是永远都是错的吗