PLEASE PLEAS HELP I REALLY NEED IT!!!!

Which of the following is an example of cultural diffusion from Alexander’s conquest of Persia?

A-He burned Persian cities to the ground to make them an example to other cities.

B-He wore Persian clothing.

C-He started to speak the Persian language and forced everyone else to speak it.

D-He married a Persian woman and encouraged his soldiers to marry Persian women as well.

E-He was named the pharaoh of the land.