Which option is used to enter the rank function when creating a new rank measure?

Which option is used to enter the rank function when creating a new rank measure?

A.
Initialization Block

B.
Expression Builder

C.
Connection Pool

D.
Web Catalog

Explanation:
Example (see step 4 and 5 below): Getting Top-N Sales Reps for Year and Year-1
1. Under the Business Model and Mapping Layer, right click the F1 Revenue and select New
Object -> Logical Column
2. In the Logical Column Window give for Name: Year Ago Revenue as seen below:
3. Goto the Column Source Tab and select Derived from existing columns using an expression
radio button then click on the Edit Expression icon.
4. Enter the following expression in the Expression Builder Window by selecting Functions in
the Category: list, Time Series Functions in the Functions: list then Ago Time Series
Functions: section.

5. Select the <<Measure>> in the Ago( ) function, then select Logical Tables in the
Category: list, F1 Revenue in the Logical Tables: list, then double click the Revenue in the
Columns: list.
Etc.