Astronomy quiz question: Canis Minor rising?

Astronomy 210 Quiz 1, spring semester 2018
Cuesta College, San Luis Obispo, CA

The constellation Canis Minor is just above the east horizon, as seen by an observer at 9 PM in San Luis Obispo, CA. Ignore daylight saving time. What date is this?
(A) February 15.
(B) April 15.
(C) June 20.
(D) December 20.

Correct answer (highlight to unhide): (D)

As read off from a starwheel, Canis Minor will be just above the east horizon at 9 PM on December 20.

(At 9 PM Canis Minor will be high up in the sky, along the meridian on February 15; at 9 PM Canis Minor will be just above the west horizon on April 15; at 9 AM Canis Minor will be just above the east horizon on June 20.)

Section 30674
Exam code: quiz01n0rK
(A) : 1 student
(B) : 0 students
(C) : 3 students
(D) : 21 students

Success level: 84% (including partial credit for multiple-choice)
Discrimination index (Aubrecht & Aubrecht, 1983): 0.43

Section 30676
Exam code: quiz01S1Bn
(A) : 2 students
(B) : 4 students
(C) : 4 students
(D) : 35 students

Success level: 78% (including partial credit for multiple-choice)
Discrimination index (Aubrecht & Aubrecht, 1983): 0.39