Does an AWS Direct Connect Location Provide Access to Amazon

Multiple Choice

Does an AWS Direct Connect location provide access to Amazon Web Services in the region it is associated with as well as access to other US regions?

A) No, it provides access only to the region it is associated with.
B) No, it provides access only to the US regions other than the region it is associated with.
C) Yes, it provides access.
D) Yes, it provides access but only when there's just one Availability Zone in the region.