Given the following database schema:

Products $($ProductID$,$ ProductName, CategoryID$)$

Categories $($CategoryID$,$ CategoryName$)$

Sales $($SaleID$,$ ProductID, SaleDate, Quantity, SaleAmount$)$

Customers $($CustomerID$,$ CustomerName$)$

Orders $($OrderID$,$ CustomerID, OrderDate$)$

which relational algebra expression returns the names of

customers who have placed orders in $2023?$

c$.$ CustomerName$($ YEAR$($OrderDate$)=2023($OrdersuCustomers$.$CustomerID$=$Orders.CustomerID Customers$))$

d$.$ none of these

e$.$ CustomerName$($oYEAR$($OrderDate$)=2023($Orders$\backslash$times Customers.CustomerID$=$Orders.CustomerID Customers$))$