Imagine this scenario in a play:

Martha is shy. She is asked to say something about her best friend Josh at
his graduation party.
What is the best way to write the stage directions?
A. MARTHA LOOKING BEWILDERED AND TAKING A LONG PAUSE
BEFORE SPEAKING Josh. What can I say about Josh?
B. MARTHA looks bewildered and takes a long pause before
speaking: Josh. What can I say about Josh?
C. MARTHA looks bewildered when asked to speak. She takes a long
pause before saying, "Josh. What can I say about Josh?"
D. MARTHA (Looking bewildered and taking a long pause before
speaking) Josh. What can I say about Josh?

D. MARTHA (Looking bewildered and taking a long pause before speaking) Josh. What can I say about Josh?