C or d.. sorry if it's wrong!
Answer:
The answer is passive as it the sentence is written in the past tense.
Sebastian Stan is a Romanian-American actor. Stan gained wide recognition for his role as Bucky Barnes / Winter Soldier in the Marvel Cinematic Universe, beginning with 2011's Captain America: The First Avenger.
If anyone still wants to know what the answer is it should be : "Nosy implies that Emma has ulterior motives for asking about Jack’s project; curious implies that she is genuinely interested."