A one-to-many binary relationship allows an occurrence of the entity type on the "one side" of the relationship to be associated with . a a single occurrence of the entity type on the "many side" of the relationship b multiple occurrences of the entity type on the "one side" of the relationship c multiple occurrences of the same entity type d multiple occurrences of the entity type on the "many side" of the relationship

C.

multiple occurrences of the same entity type

Explanation:

In a one-to-many relationship, one record in a table can be associated with one or more records in another table. For example, each customer can have many sales orders. ... The foreign key field in the Orders table, Customer ID, is designed to allow multiple instances of the same value. A Binary Relationship is a relationship between two different Entities i.e. it is a relationship of role group of one entity with the role group of another entity.