Provide an Appropriate Response $C$ : the Number of Ways a Panel of People Could

Provide an appropriate response.
-The permutation formula can be used to determine which of the following? A: The number of ways of completing a test consisting of 10 true/false questions
B: The number of ways of arranging 8 people in a line
$C$ : The number of ways a panel of people could vote if each person votes yes or no

A) $B$ and $C$
B) $A$ and $B$
C) B only
D) $A$ and $C$
E) C only