Nonverbal communication is all communication that is not verbal, that is which is not using language.
It can include such ways of communicating as Posture (can show whether a person is happy or sad), clapping and eye contact.
So the correct answer is: "all of the above".
Given information is not enough to answer your question appropriately. Let me start explaining with the cases that we can extract from given information:
Case 1: Stacy was driving the car - in this case, Stacy was in driver seat.
Case 2: Someone else was driving the car - in this case, Stacy was in passenger seat.
Answer: C
Explanation: Makes Complete sense, all about making the first step and having confidence moving forward.
Well, it could be:
at 10 o'clock they fixed the time
The answer would be c guess
