Astronomy current events question: Breakthrough Listen data related

Astronomy 210L, spring semester 2020
Cuesta College, San Luis Obispo, CA

Students are assigned to read online articles on current astronomy events, and take a short current events quiz during the first 10 minutes of lab. (This motivates students to show up promptly to lab, as the time cut-off for the quiz is strictly enforced!)

Robert Sanders, "Breakthrough Listen's Search for Intelligent Life (SETI) Releases Unprecedented Data Survey of Milky Way’s Galactic Center, Earth Transit Zone and Interstellar Comet 2I/Borisov" (February 14, 2020)
breakthroughinitiatives.org/news/28

The Breakthrough Listen Initiative publicly released for analysis __________ data from scanning our Milky Way galaxy. (A) cosmic string.
(B) dark matter.
(C) gravitational wave.
(D) archived photographic.
(E) radio emission.

Correct answer: (E)

Student responses
Sections 30679, 30680
(A) : 1 student
(B) : 0 students
(C) : 21 students
(D) : 1 student
(E) : 4 students