Which event updates the status of a requisition from ordered to another status? Note: there are 2 correct answers to this questions

Which event updates the status of a requisition from ordered to another status? Note: there are 2 correct answers to this questions
A . The requester approvals an invoices against the order
B . The requester receives or all items from the requisition
C . The supplier invoices some or all items from the order
D . The requester cancels the order

Answer: B,D