已经搜索过了，不过没有找到我想要的答案 <!--[if !supportLists]-->293.1. <!--[endif]-->Federal incentives now encourage investing capital in commercial office buildings despite vacancy rates in existing structures that are exceptionally high and no demand for new construction. (A) investing capital in commercial office buildings despite vacancy rates in existing structures that are exceptionally high and (B) capital investment in commercial office buildings, even though vacancy rates in existing structures are exceptionally high and there is (C) capital to be invested in commercial office buildings even though there are exceptionally high vacancy rates in existing structures with (D) investing capital in commercial office buildings even though the vacancy rates are exceptionally high in existing structures with（B） (E) capital investment in commercial office buildings despite vacancy rates in existing structures that are exceptionally high, and although there is 答案是b,我选的是C,请问为什么不对？encourage capital to be invested 不能这样用么？先谢过了
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