定香剂
参考答案：
是使香精放置数日后香调不变，能调节各香成分的挥发度，使香气较长时间留驻所加入的香成分
This is an early church, ________from the ninth century, which was rebuilt under the direction of San Carlo Borromeo. [ ]
A. dated
B. being dated
C. dating
D. dates
