If a 1:M Relationship Is Mandatory on the 1 Side

Multiple Choice

If a 1:M relationship is mandatory on the 1 side and optional on the M side,which of the following is true?

A) The resulting foreign key can have null (empty) values
B) The resulting foreign key cannot have null (empty) values
C) The resulting foreign key must have null (empty) values
D) No foreign key is created as a result of mapping such a relationship