What option contributes to making an Enhanced Calc Script more flexible than a native Essbase Calc Script?

What option contributes to making an Enhanced Calc Script more flexible than a native Essbase
Calc Script?

A.
Run on Save

B.
@CALCMODE function

C.
Run time prompts

D.
Can be run over the web

E.
Substitution Variables

F.
Custom Defined Functions

Explanation:
An Enhanced Calc Script is a calc script created with Business Rules that contains
run-time prompts.