The Graph of a Function Is Given

The graph of a function is given. Choose the answer that represents the graph of its derivative.
-Use the following information to graph the function f over the closed interval [-5, 6].
i. The graph of f is made of closed line segments joined end to end.
ii. The graph starts at the point (-5, 1) .
iii. The derivative of f is the step function in the figure shown here.

A)

B)

C)

D)