Which of the Following Statements Is True

Multiple Choice

Which of the following statements is true?

A) There are always many microstates in a macrostate.
B) All accessible macrostates are equally probable.
C) All microstates of a system are equally probable.
D) All accessible macropartitions are equally probable.
E) When two objects in thermal contact are isolated from everything else, their macrostates cannot change.
F) None of the above.