Concerning the Creation of Tables from an REA Diagram,which of the Following

Multiple Choice

Concerning the creation of tables from an REA diagram,which of the following is false?

A) M:N relationships must be implemented as separate tables.
B) 1:N relationships are implemented with the primary key of the 1 side becoming a foreign key on the N side.
C) 1:1 relationships are implemented with the primary key of either entity included as a foreign key in the table representing the other entity.
D) All of the above are true.