Yes It is C then d in the alphabet
The correct answer is a testable idea.
A Hypothesis is a assumed explanation for a certain event or phenomenon. For a hypothesis to be accepted for scientific research, first and foremost, the hypothesis should be able to undergo research or testing. It must hold the element of being testable for it to be proven.
This example describes Jerome using nonverbal transition.
A nonverbal transition is a communication device that is often used in combination with verbal transitions to achieve a better effect. Some examples of nonverbal transitions are a pause, silence, or taking a few steps in silence as in this question.