You Are Watching a Pigeon Pecking a Disk in a Small

Multiple Choice

You are watching a pigeon pecking a disk in a small chamber.There is a cumulative recorder connected to the disk.While you are watching,the pigeon is pecking at a slow,steady rate.What can you predict about the line on the cumulative record based on this information

A)  It will have a steep, upward slope. 
B)  It will have a shallow, upward slope. 
C)  It will have a shallow, downward slope. 
D)  It will have a steep, downward slope.