单选题：In a system using segmentation, the logical address is expressed

In a system using segmentation, the logical address is expressed in 32 bits within which 20 bits are used as segment number. The maximum size of each segment is ___.@[A](1)
A. 2^12
B. 2^16
C. 2^20
D. 2^32




A.2^12
B.2^16
C.2^20
D.2^32


答案：A