Astronomy current events question: Hubble Space Telescope survey for New Horizons

Astronomy 210L, fall semester 2014
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!)

Dwayne Brown, Ray Villard, "NASA’s Hubble Telescope Finds Potential Kuiper Belt Targets for New Horizons Pluto Mission," (October 15, 2014)
http://www.nasa.gov/press/2014/october/nasa-s-hubble-telescope-finds-potential-kuiper-belt-targets-for-new-horizons/

NASA's Hubble Space Telescope discovered several Kuiper Belt Objects for the New Horizons spacecraft to visit after __________ next year.
(A) flying by Pluto.
(B) detaching from riding a comet.
(C) a gravitational boost from Neptune.
(D) collecting enough solar power.
(E) calmer solar storm activity.

Correct answer: (A)

Student responses
Sections 70178, 70186
(A) : 23 students
(B) : 0 students
(C) : 8 students
(D) : 3 students
(E) : 1 student