A Major Difference Between the United States and Japanese Banking

A major difference between the United States and Japanese banking systems is that

A) American banks are allowed to hold substantial equity stakes in commercial firms, whereas Japanese banks cannot.
B) Japanese banks are allowed to hold substantial equity stakes in commercial firms, whereas American banks cannot.
C) bank holding companies are illegal in the United States.
D) both A and C of the above
E) both B and C of the above