Answer: determined (verb)
Explanation: you can replace 'determined' with the definiton.
The doctor did some tests and <u>figured out</u> the cause of the patient's pain.
All of the above. However C is most relevant.
End, to summarize what you are talking about.
The most likely answer is C, because when you have words that mention a time or dates it means that you are implying that you are talking about a time or date.