Astronomy current events question: IRAS 16293-2422 simple sugar molecules

Astronomy 210L, fall semester 2012
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!)

Jes K. Jørgensen, Ewine van Dishoeck, and Douglas Pierce-Price, "Sweet Result from ALMA," August 29, 2012
http://www.eso.org/public/news/eso1234/

__________ simple sugar molecules surrounding the star IRAS 16293-2422 have been detected by scientists at the Atacama Large Millimeter/submillimeter Array in Chile.
(A) Laser light reflected by.
(B) Organic life forms producing.
(C) Faint starlight passing through.
(D) Byproducts of decomposing.
(E) Radio waves emitted from.

Correct answer: (E)

Student responses
Sections 70178, 70186, 70200
(A) : 9 students
(B) : 16 students
(C) : 16 students
(D) : 13 students
(E) : 6 students