Which development approach and mode should you use?

You need to develop a BISM that meets the business requirements for ad-hoc and daily operational analysis.
You must minimize development effort.
Which development approach and mode should you use?

A.
Develop a multidimensional project and configure the model with the DirectQuery mode setting off.

B.
Develop a tabular project and configure the modelwith the DirectQuery mode setting on and the project
query mode set to In-Memory with DirectQuery

C.
Develop a tabular project and configure the modelwith the DirectQuery mode setting on and the project
query mode set to DirectQuery

D.
Develop a multidimensional project and configure the model with the DirectQuery mode setting on.