Choose the one alternative that best completes the statement or answers the question.
Describe the transformation required to obtain the graph of the given function from the basic trigonometric graph.
-y = -8sec x
A) Reflection across the y-axis and horizontal stretch by a factor of 8
B) Reflection across the x-axis and vertical translation up 8 units
C) Reflection across the x-axis and vertical stretch by a factor of 8
D) Reflection across the x-axis and horizontal stretch by a factor of 8