关于高速缓存，以下的说法哪个正确? A: 全相联映射的高速缓存缺失率低，直接映射高速缓存访问延迟短 B: 全相联映射的高速缓存（Fully associative caches）访问延迟（latency）短, 直接映射高速缓存（direct-mapped caches） 缺失率（miss rate）低 C: 直接映射高速缓存在缺失率和访问延迟方面都表现得更好 D: 两者在缺失率和访问延迟上表现相似

案例分析题 According to the passage, scientists cannot explain which of the following aspects of squirrel behavior A: Where squirrels store their acorn caches B: Why squirrels prefer acorns over other seeds C: Why squirrels eat only a portion of each acorn they retrieve D: Why squirrels prefer acorns from a particular species of oak trees