In the following questions, fill in the blanks with the appropriate phrase.
The phrase “took down” is often used to mean making a written record of something spoken, like a speech. Therefore, Option D is the correct answer.
The other options do not fit in this context.
Option A: “Took up” usually means to begin doing or learning something.
Option B: “Took on” typically means to accept a job or responsibility.
Option C: “Took off” generally means to leave a place quickly or to become successful quickly.
Therefore, “took down” is the most appropriate choice here. The reporters eagerly took down (recorded) the speech made by Obama.