单选题：Consider a file system on a disk that has both logical and physi

Consider a file system on a disk that has both logical and physical block sizes of 512 bytes. Assume that the information about each file is already in memory. Suppose we use indexed allocation and are currently at the 10th logical block. If we want to access the 3rd logical block, how many disk blocks should we access?@[A](1)
A. 1
B. 2
C. 3
D. 4




A.1
B.2
C.3
D.4


答案：A