Answer:
C) What can I put under the refrigerator to help it move?
Step-by-step explanation:
The question was clear that any option chosen must be a testable question. A good look at the answer choice selected shows that we could test this question by putting several things under the refrigerator and observe whether any of them can help move the refrigerator.
By putting several things under the refrigerator one after the other, we are testing whether something can be put under the refrigerator in order to help move it.