3. (5 points) A square loop of wire lies in the plane of the page. A uniform constant magnetic field is directed into the page. When the square loop just starts to rotate about the axis as shown. The induced current in the loop is
A. Zero
B. Counterclockwise
C. Clockwise
D. Depends upon whether B is decreasing at a constant rate
E. Clockwise in two of the loop sides and counterclockwise in the other two
Explain