13. You are looking at an object under the microscope. What is proper sequence
in focusing the microscope?

I. Use the fine adjustment knob when using the high-power objective.

II. Use the coarse adjustment knob in moving down the body tube amount of light.

IV. Adjust the microscope's diaphragm.

V. Tilt the inclination joint.

A. V, III, IV, II, I
B. I, II, III, IV, V
C. II, V, IV, I, III
D. I, III, II, V, IV​