In fall $2002,$ a new Broadway production of Puccini's La Boheme was set in Paris eirea $1957.$ The stage set Included biltboards for fuxury pen maker Montblanc and Piper$-$Heidsieck champagne. This is an example of:

A$)$ sampling.

B$)$ consumer sales promotion.

C$)$ trade sales promotion.

D$)$ product placement.

E$)$ global awareness.