In a VPC, Can You Modify a Set of DHCP

Multiple Choice

In a VPC, can you modify a set of DHCP options after you create them?

A) Yes, you can modify a set of DHCP options within 48 hours after creation and there are no VPCs associated with them.
B) Yes, you can modify a set of DHCP options any time after you create them.
C) No, you can't modify a set of DHCP options after you create them.
D) Yes, you can modify a set of DHCP options within 24 hours after creation.