Do you really need all of these ________ research reports? If I were you, I'd get rid of the adjunct material and only present them with the main parts of the proposal.
句意：你真的需要所有这些次要的研究报告吗？如果我是你，我就会撇开附属材料，只为他们展示 提议最主要的部分。subsidiary次要的；辅助的。successive连续的；继承的。succinct简洁的；简明的。 subservient屈从的；奉承的。因此，本题的正确答案为C。