单选题：Which statement below is correct?

Which statement below is correct? @[A](2)

A. int is always 32-bit on different platforms
B. int is 32-bit on 32-bit and smaller platforms, but 64-bit on 64-bit machines
C. int varies from platform to platform
D. int is always 64-bit on different platforms




A.int is always 32-bit on different platforms
B.int is 32-bit on 32-bit and smaller platforms, but 64-bit on 64-bit machines
C.int varies from platform to platform
D.int is always 64-bit on different platforms


答案：A