What kind of decomposition relationship should a consultant recommend to achieve this requirement?

Has commercial attribute called “access Type” on the internet offers with two values, namely DSL and Fiber. UC has requirement to model routers as technical products and offer either a DSL or a fiber router based on the “access type” value.

What kind of decomposition relationship should a consultant recommend to achieve this requirement?
A . M:M
B . M:1
C . 1:M
D . 1:1

Answer: C