Latham Works in the Logistics Department for a Large City

Multiple Choice

Latham works in the logistics department for a large city bus system.  As routes are changed,Latham accesses the internal database to ensure all records are accurate.  The Bus Route System database includes a one-to-many relationship between the Bus Number and the Bus Routes with Bus ID as the common field.  This allows the two tables to be joined to create a query based on data from both tables:  Bus Number and Bus Routes.
-The relationship between the Bus Number and Bus Routes tables is one-to-many which means that each Bus Number record is related to ____ Bus Routes record(s) .

A) at most one
B) at least one
C) exactly one
D) zero,one,or more