单选题 As a scientific document, the book should stand for several years until further ______ make revision ______.
A. development; impossible B. experiments; optional
C. advances; necessary D. attempts; undesirable

【正确答案】 C
【答案解析】[考点] 词义辨析
[解析] 根据语境，未来科技的进步使得对这本书的修订变得“有必要”。