_________ let you create external, user-defined functions using

let-you-create-external-user-defined-functions-using

_________ let you create external, user-defined functions using any common language runtime (CLR) language.

A. Aggregate

B. Assemblies

C. Synonym

D. All of the mentioned

I had been asked this question in a national level competition.

My question is from Analysis Services topic in portion Business Intelligence of SQL Server

Correct choice is B. Assemblies

To explain: Assemblies let you extend the business functionality of MDX and DMX.