What URI does MuleSoft recommend to uniquely access the customer identified with the unique ID 1234?

ARAML specification is defined to manage customers with a unique identifier for each customer record.

What URI does MuleSoft recommend to uniquely access the customer identified with the unique ID 1234?
A . /customers?custid=true&custid=1234
B . /customers/1234
C . /customers/custid=1234
D . /customers?operation=get&custid=1234

Answer: B